EMT Practice Test

1. Question Content...


Question List

Question1: You have been asked to create a static route with a next hop that is not directly connected to the router.
Which configuration parameter enables the static route to accomplish this scenario?

Question2: -- Exhibit --
[edit firewall family inet filter input-filter]
user@router# show
term my-policy {
from {
source-address {
151.43.62.0/24;
}
}
then {
count;
}
}
term else {
then {
discard;
}
}
-- Exhibit --
Which two tasks are accomplished by the firewall filter shown in the exhibit? (Choose two.)

Question3: On which operating system is the Junos OS based?

Question4: What are three interface prefixes for a 40-gigabit interface? (Choose three.)

Question5: What are two purposes of a forwarding class? (Choose two.)

Question6: What is the default protocol preference for OSPF internal routes?

Question7: Which command is used to restore a Junos device to its default state?

Question8: Which two statements are correct about Layer 2 broadcast frames? (Choose two.)

Question9: You are modifying the default route preference under the [edit protocols] hierarchy.
In which two routing information sources can you change the default preference value? (Choose two.)

Question10: What are two reasons why a route might be hidden? (Choose two.)

Question11: -- Exhibit --
[edit routing-options]
user@router# show
static {
route 0.0.0.0/0 {
next-hop 10.1.1.1;
qualified-next-hop 10.1.1.254 {
preference 4;
}
}
}
-- Exhibit --
Assuming both paths shown in the exhibit are available, which statement is correct?

Question12: What is the default action for firewall filters?

Question13: Two devices on an Ethernet segment sent frames at the same time causing a collision.
Which two statements are true? (Choose two.)

Question14: Which statement is true about PFEs?

Question15: Which parameter must be included when executing operational mode commands from within configuration mode?

Question16: What does the "3" in Junos version 14.2R3.2 represent?

Question17: What are two benefits of the modular design of the Junos OS? (Choose two.)

Question18: Which command will display only direct routes?

Question19: Which two statements are true regarding the use of NTP clock synchronization? (Choose two.)

Question20: You receive an alarm that your Junos device is experiencing problems regarding temperature.
Which two commands would you use to investigate this problem? (Choose two.)

Question21: Which command will silently drop a matching packet?

Question22: You issue the ping interface t1-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command.
Which statement is correct?

Question23: Which set of IP addresses are in the same subnet?

Question24: Which word starts a command to add configuration on a Junos device?

Question25: A packet is evaluated against three user-defined terms within a firewall filter and no match is found.
What correctly describes the action the firewall filter will take for this packet?

Question26: Which two statements are correct about firewall filters in the Junos OS? (Choose two.)

Question27: Which two commands are used during the password recovery process? (Choose two.)

Question28: Which two statements are true regarding an Ethernet collision domain? (Choose two.)

Question29: Which CLI command do you use to determine which files are cleanup candidates?

Question30: You are asked to change the cable on interface ge-0/2/1.
Which statement is correct?

Question31: How many host addresses are available in the 172.27.0.0/28 network?

Question32: -- Exhibit --
[edit interfaces ge-0/0/6]
user@router# show
unit 0 {
familyinet {
address 172.16.10.100/24;
address 172.16.10.101/24;
}
}
-- Exhibit --
You have two IP addresses configured on the ge-0/0/6 interface, as shown in the exhibit. You want to select the 172.16.10.101 address as the source address for packets sent from this interface to hosts on a remote subnet.
Which parameter would you add to the 172.16.10.101 address to complete this task?

Question33: Which two statements are true about the configure exclusive command? (Choose two.)

Question34: Which statement describes the PFE?

Question35: Which two firewall filter actions will terminate the processing and evaluation of a packet? (Choose two.)

Question36: Which information would you find using the CLI help function? (Choose two.)

Question37: -- Exhibit --
Amnesiac (ttyu0)
login:
-- Exhibit --
Which statement is correct about the information shown in the exhibit?

Question38: Which statement is true regarding the password-recovery process?

Question39: Which two statements are true regarding rescue configurations? (Choose two.)

Question40: -- Exhibit -

-- Exhibit --
You have been asked to establish reachability between Router 1's and Router 2's loopback addresses as shown in the exhibit.
Which two steps will accomplish this task? (Choose two.)

Question41: What are two Junos processes? (Choose two.)

Question42: What happens when you issue the ping 172.19.102.2 count 5 command?

Question43: When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed.
What is the problem?

Question44: Which two statements are true regarding routing tables? (Choose two.)

Question45: What is the default route preference value for EBGP?

Question46: Which three commands will cause a logical interface to go administratively down after being committed?
(Choose three.)

Question47: Which three protocols are connectionless? (Choose three.)

Question48: Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?

Question49: The PFE receives which two tables from the RE? (Choose two.)

Question50: Which command displays the current temperature of a Junos device's components?

Question51: When using the monitor traffic command on Junos devices, which UNIX-based utility is accessed?

Question52: When using keyboard shortcuts, which single keystroke combination allows users to erase the entire current command?

Question53: Which statement is true when using the allow command and deny command attributes when creating user permissions?

Question54: -- Exhibit --
[edit policy-options]
user@router# show
policy-statement my-policy {
term 1 {
from {
route-filter 172.27.0.0/24 longer;
}
}
then reject;
}
-- Exhibit --
Which statement is correct about the policy shown in the exhibit?

Question55: Which IP protocol number is assigned to TCP?

Question56: At which command prompt would you issue the set date <date> command?

Question57: What is the role of route preference?

Question58: What is the default firewall filter behavior when a term is matched but no terminating action is specified?

Question59: You issue the ping interface t1-1/1/0 bypass-routing count 1000 rapid command.
Which statement is correct?

Question60: To which directory does the Junos OS write traceoptions files?

Question61: Which statement is true about the forwarding table?

Question62: What are three valid match criteria in a firewall filter applied to a Layer 3 interface? (Choose three.)

Question63: You have been asked to configure your router to send link-related SNMP trap notifications to the network management system (NMS) located at address 172.16.17.1.
Which two commands are required? (Choose two.)

Question64: Which two statements are correct when you use the reject parameter as the next-hop value for a static route? (Choose two.)

Question65: Which three statements are true regarding the candidate configuration? (Choose three.)

Question66: Which statement is true regarding the Junos OS?

Question67: When considering the default behavior of Junos platforms, which statement is true about archiving configurations?

Question68: -- Exhibit --
inet.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
172.23.10.0/24 *[Direct/0] 21:59:56
>via ge-0/0/6.0
172.23.10.100/32 *[Local/0] 22:00:10
Local via ge-0/0/6.0
172.23.12.0/24 *[Static/5] 00:01:36
>to 172.23.10.1 via ge-0/0/6.0
172.23.15.0/24 *[Static/5] 00:01:36
>to 172.23.10.1 via ge-0/0/6.0
-- Exhibit --
Users are unable to access resources in the 172.23.14.0/24 subnet.
Referring to the exhibit, which two actions would solve this problem? (Choose two.)

Question69: Which command do you use to navigate to [edit interfaces]?

Question70: Which CLI mode allows you to make configuration changes?

Question71: In which hierarchy are routing policies defined?

Question72: You must apply the family inet configuration parameter only to Gigabit Ethernet interfaces that are in FPC
2.
Which output applies to this configuration?

Question73: Your network administrator has asked you to view the real-time interface usage on ge-0/0/0.
Which command would be used?

Question74: Which two statements about the Junos OS are true? (Choose two.)

Question75: -- Exhibit --
[edit policy-options]
user@router# show
policy-statement block-routes {
term 1 {
from {
route-filter 172.27.0.0/24 longer;
}
then reject;
}
term 2 {
then accept;
}
}
-- Exhibit --
You are asked to ensure that your device does not accept any prefixes within the 172.27.0.0/24 network.
You have applied the policy shown in the exhibit, but the 172.27.0.0/24 route is still present on your device.
Which configuration will resolve this problem?

Question76: What is a route filter?

Question77: You are asked to free up disk space so you can update your version of the Junos OS.
Which two commands display the files that will be removed? (Choose two.)

Question78: -- Exhibit --
policy-options {
policy-statement example-pol {
term 1 {
from {
protocol static;
route-filter 10.1.0.0/16 exact;
}
then {
preference 6;
accept;
}
}
term 2 {
from {
protocol static;
route-filter 10.1.1.0/24 longer;
}
then {
preference 7;
accept;
}
}
term 3 {
from {
protocol static;
route-filter 10.1.0.0/16 upto /24;
}
then {
preference 8;
accept;
}
}
term 4 {
then accept;
}
}
}
-- Exhibit --
Referring to the exhibit, if the static route with prefix 10.1.1.0/24 is evaluated against the routing policy, which preference value will be set?

Question79: You are asked to configure real-time performance monitoring (RPM) between two Junos devices to track traffic in your network.
Which two application traffic types can you track? (Choose two.)

Question80: The IP address 192.168.100.1 belongs to which class of IP address space?

Question81: Which command is used to load the rescue configuration?

Question82: Which process is responsible for controlling all interfaces on a Junos device?

Question83: Which statement is true about routing tables on a Junos device?

Question84: Which source of routing information is preferred by default?

Question85: Which two statements describe the forwarding table in the Junos OS? (Choose two.)

Question86: -- Exhibit --
[edit interfaces ge-0/0/1]
user@router# show
unit 100 {
vlan-id 100;
family inet {
address 10.1.1.1 /24;
}
}
[edit interfaces ge-0/0/1]
user@router# commit check
[edit interfaces ge-0/0/1]
'unit 100'
Only unit 0 is valid for this encapsulation
error: configuration check-out failed
-- Exhibit --
Referring to the exhibit, you are unable to commit the configuration for the ge-0/0/1 interface.
What must you do to commit the configuration?

Question87: What represents the binary equivalence of 148?

Question88: Which configuration causes RIP-learned routes to be advertised to other RIP neighbors?

Question89: What are two valid match criteria for a routing policy? (Choose two.)

Question90: Which command do you use to show active alarms?

Question91: -- Exhibit --
traceroute to 10.1.15.2 (10.1.15.2), 30 hops max, 40 byte packets
1 10.1.36.1 (10.1.36.1) 0.651 ms 7.834 ms 0.506 ms
2 10.1.23.1 (10.1.23.1) 0.5 ms 0.5 ms 0.5 ms
3 * * *
4 * * *
-- Exhibit --
Referring to the exhibit, which statement is correct?

Question92: You have received a default route through BGP from your ISP and you want to redistribute it into OSPF.
Which method will accomplish this?

Question93: Which statement is true regarding syslog on Junos devices?

Question94: Click the Exhibit button.

Referring to the exhibit, what happens when ping packets are sent to the management interface address of the local router?

Question95: Which two statements are true of login classes? (Choose two.)

Question96: Which statement is true about the forwarding plane?

Question97: Which statement is true about logical units?

Question98: What are three firewall filter terminating actions? (Choose three.)

Question99: Which protocol creates a complete database of the network topology prior to calculating the optimal route?

Question100: Which statement describes exception traffic?

Question101: You have configured a firewall filter with a single term matching on packets with a source address in the
10.0.0.0/24 subnet. This term only includes the count action.
Which two statements are true about traffic evaluated by this firewall filter? (Choose two.)

Question102: Which command will drop a matching packet and send out a notification message?

Question103: -- Exhibit --
user@router> show configuration
groups {
ge-int {
interfaces {
<ge-*> {
unit 0 {
familyinet {
address 10.10.12.1/24;
}
}
}
}
}
}
...
interfaces {
ge-0/0/1 {
unit 0;
}
-- Exhibit --
Referring to the exhibit, which two actions would you take to only apply the 10.10.12.1/24 address to the ge-0/0/1.0 interface?

Question104: Which command do you use as a valid way to view the PICs within a router as well as the PICs' serial numbers?

Question105: By default, which two statements are true about export routing policies? (Choose two.)

Question106: You are asked to change the cable on interface ge-2/1/3.
Which statement is correct?

Question107: What is the network address for the 10.13.147.100/19 host?

Question108: In the MAC address 00: : :9f:eA. , what represents the Organizationally Unique Identifier (OUI)?

Question109: What is a valid multicast MAC address?

Question110: You have configured a firewall filter with a single term matching on packets with a source address in the
10.0.0.0/24 subnet. This term only includes the count action.
Which two statements are true about traffic evaluated by this firewall filter? (Choose two.)

Question111: You have been asked to configure your MX240 with a default route toward your upstream ISP at IP address 192.168.100.1.
Which command successfully completes this task?

Question112: Which two statements are true about firewall filter configurations? (Choose two.)

Question113: Which route filter match type only matches prefixes greater than the defined prefix?

Question114: Which statement describes an advantage of dynamic routing?

Question115: -- Exhibit --
[editsnmp]
user@router# show
communityCommunityA {
authorization read-only;
clients {
192.168.1.0/28;
}
}
trap-groupgroupA {
categories {
link;
}
targets {
192.168.100.1;
192.168.200.1;
}
}
-- Exhibit --
Referring to the exhibit, what is the purpose of the targets section of the configuration?

Question116: What is the decimal equivalent of 00000110?

Question117: You issue the command telnet interface ge-1/1/0 10.10.10.1 source 192.168.100.1 bypass-routing.
Which statement is correct?

Question118: Which two can be used to create and apply an export policy that advertises static routes to RIP neighbors?
(Choose two.)

Question119: Which operating system do Juniper Networks MX Series routers use?

Question120: What are two default routing policies on Junos devices? (Choose two.)

Question121: Click the exhibit button.

Which statement is correct regarding the configuration shown in the exhibit?

Question122: Click the Exhibit.

Referring to the exhibit, which action would synchronize a new router's clock with the NTP server?

Question123: Which command do you issue to upgrade the current software on Junos devices?

Question124: -- Exhibit --
[edit system syslog]
user@router# show
host 152.170.10.10 {
any warning;
}
file changes {
change-log info;
}
-- Exhibit --
Referring to the exhibit, which two statements are true? (Choose two.)

Question125: Which command allows you to view the raw packet data of interface ge-1/0/5?

Question126: What represents the decimal equivalence of 11100111?

Question127: Which two statements are true regarding the role of the Routing Engine (RE)? (Choose two.)

Question128: Which command will show the best paths that are installed in the PFE?

Question129: -- Exhibit --
firewall {
filter select-telnet {
term 1 {
from {
source-address {
10.0.0.0/8;
}
}
then log;
}
term 2 {
from {
protocoltcp;
port telnet;
}
then {
syslog;
reject;
}
}
term 3 {
from {
source-address {
10.1.1.1/32;
}
protocoltcp;
port telnet;
}
then {
sample;
accept;
}
}
}
}
-- Exhibit --
A Telnet session is initiated from host 10.1.1.1.
What will happen when it is processed by the firewall filter shown in the exhibit?

Question130: Which statement is true about terms in a policy?

Question131: Which class-of-service component allows you to define the bandwidth allocated to different traffic types?

Question132: -- Exhibit --
interfaces {
ge-0/0/8 {
unit 0 {
family inet {
address 192.168.1.1/24;
}
}
}
ge-0/0/9 {
unit 0 {
family inet {
address 192.168.10.1/24;
}
}
}
}
-- Exhibit --
Referring to the exhibit, which command would you use to add an additional address to the ge-0/0/9.0 interface?

Question133: Which statement is true about a routing table?

Question134: -- Exhibit --
user@router# run show route /24
inet.0: 142 destinations, 142 routes (141 active, 0 holddown, 1 hidden)
+ = Active Route, - = Last Active, * = Both
/24 *[OSPF/10] 04:10:20
>to 172.25.213.11 via ge-1/0/1.0
to 172.25.213.23 via ge-1/0/2.0
-- Exhibit --
In the exhibit, what does the (>) symbol indicate?

Question135: You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover.
Which routing protocol should you use in this scenario?

Question136: What information is used by a switch to forward an Ethernet frame to its destination?

Question137: A network administrator would like to view detailed interface status, properties, statistics, errors, and CoS packet counters.
Which operational command will display this information?

Question138: Which two external authentication servers are supported for administrative access to a Junos device?
(Choose two.)

Question139: Which command will display the contents of the forwarding table?

Question140: Which statement is true regarding the forwarding plane?

Question141: There are three static routes in the routing table that need to be announced to your OSPF peers.
Which method is used to accomplish this?

Question142: Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?

Question143: Which two statements are true regarding route preference? (Choose two.)

Question144: You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter.
How should you apply the firewall filter?

Question145: Which statement is true regarding the Junos OS?

Question146: During a password recovery, what is the next step after configuring the system to boot into single-user mode?

Question147: What are two examples of exception traffic? (Choose two.)

Question148: You are asked to change the cable on interface fe-4/2/3.
Which statement is correct?

Question149: Which three steps are part of the root password recovery process? (Choose three.)

Question150: Which command gracefully shuts down the Junos OS?

Question151: Which interface type connects the control and forwarding planes on an MX Series device?

Question152: What is an advantage of multiple software processes running in the Junos OS?

Question153: Which command displays only the interfaces that are operationally and administratively up?

Question154: -- Exhibit --
user@router> show system alarms
1 alarms currently active
Alarm time Class Description
2013-09-14 23:54:01 UTC Minor Rescue configuration is not set
-- Exhibit --
Which command will resolve the problem shown in the exhibit?

Question155: Which statement is correct about policies in the Junos OS?

Question156: Which two commands allow you to return to a previous version of software on the device? (Choose two.)

Question157: Which two statements accurately describe a broadcast domain? (Choose two.)

Question158: Which statement is correct about policies in the Junos OS?

Question159: What is the purpose of unicast reverse path forwarding?

Question160: What are three benefits of using IPv6? (Choose three.)

Question161: Which two commands would you use to discard a candidate configuration? (Choose two.)

Question162: -- Exhibit -

-- Exhibit --
Which command produces the output shown in the exhibit?

Question163: Which word starts the command to remove configuration elements on a Junos device?

Question164: Which command displays the amount of space available on the storage media?

Question165: You are asked to configure the configuration archival feature on your Junos devices.
Which two transfer methods are available? (Choose two.)

Question166: Which routing instance type is used to facilitate filter-based forwarding?

Question167: When configuring more than one archival site, which statement is true?

Question168: Which command do you use to go from the shell prompt to the CLI prompt?

Question169: Click the Exhibit button.

Referring to the exhibit, which OSPF feature would connect Area 0 to Area 2?

Question170: Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?

Question171: What is an advantage of dynamic routing?

Question172: Which command would you use to view interface usage details in real time?

Question173: Which action does the ping 172.18.1.1 size 5 command perform?

Question174: Random early detection (RED) is associated with which class of service component?

Question175: What are three examples of dynamic IGPs? (Choose three.)

Question176: Which two firewall filter actions will affect a packet's class-of-service settings? (Choose two.)

Question177: -- Exhibit --
[edit policy-options policy-statement my-policy]
user@router# show
term 1 {
from {
route-filter 192.168.0.0/16 orlonger;
}
then accept;
}
-- Exhibit --
Referring to the exhibit, which three networks match the policy? (Choose three.)

Question178: What is the network ID address of the IPv4 subnet that includes the IP address 114.180.192.120/28?

Question179: Which two statements are correct regarding default protocol preference values? (Choose two.)

Question180: What represents the decimal equivalence of 01101110?

Question181: Click the Exhibit button.

You are asked to create a firewall filter to count IPv6 packets that arrive with a no next header value. As shown in the exhibit, you have created and applied the count-no-header firewall filter to the ge-0/0/0 interface. The commit operation fails.
What is causing this problem?

Question182: -- Exhibit --
user@router# run show interfaces terse
Interface Admin Link Proto Local
fe-0/0/0 up up
fe-0/0/0.0 up upinet 10.0.39.2/24
iso
mpls
fe-0/0/1 up up
fe-0/0/1.0 up upinet 10.0.18.2/24
fe-0/0/1.5 down up inet 10.0.19.2/24
-- Exhibit --
An administrator is unable to ping any address on the 10.0.19.0/24 subnet. To identify the problem, the administrator uses the command shown in the exhibit.
Which step should be taken to solve the problem?

Question183: What is the default export routing policy for EBGP?

Question184: Which two commands would you use to view OSPF routes? (Choose two.)

Question185: What represents the binary equivalence of 207?

Question186: What is the default export routing policy for RIP?

Question187: -- Exhibit --
[edit policy-options policy-statement my-policy]
user@router# show
term 1 {
from {
route-filter 192.168.0.0/16 prefix-length-range /20-/24;
}
then accept;
}
-- Exhibit --
Referring to the exhibit, which three networks match the policy? (Choose three.)

Question188: Which operational command would you use to quickly verify the state of all interfaces?

Question189: Which three statements are true about terms in a policy? (Choose three.)

Question190: A network administrator wants to verify the active alarms on interface so-0/0/0.0.
Which command displays this information?

Question191: Which command displays the egress interfaces selected on the PFE for destination prefixes?

Question192: When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?

Question193: What are three terminating actions for firewall filters? (Choose three.)

Question194: What are two routing requirements for a device to communicate with another device? (Choose two.)

Question195: What must you type to enter operational mode from the root@% command prompt?

Question196: Which statement is true about the routing table?

Question197: For the interface ge-1/2/3.4, what does the "ge" represent?

Question198: What is the decimal equivalent of 10101010?

Question199: Which command will apply a policy to redistribute static routes into OSPF?

Question200: Which two statements are true about the forwarding table? (Choose two.)

Question201: What are two valid actions for a routing policy? (Choose two.)

Question202: -- Exhibit --
{master:0}[edit interfaces]
user@switch# show
me0 {
disable;
unit 0 {
familyinet {
address 10.1.1.10/24;
}
}
}
-- Exhibit --
Administrators report that they are unable to access the management interface of the EX Series device shown in the exhibit.
Which command will resolve this problem?

Question203: By default, what are three valid routing tables? (Choose three.)

Question204: What are three benefits of using a dynamic routing protocol? (Choose three.)

Question205: Which account is used to access a Junos device in factory-default configuration?

Question206: Which statement describes an advantage of dynamic routing?

Question207: Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?

Question208: Which command will display the active configuration?

Question209: -- Exhibit --
[edit]
user@router# show | compare
[edit protocols ospf area 0.0.0.0]
- interface ge-0/0/0.0 {
- disable;
- }
[edit protocols ospf]
area 0.0.0.0 { ... }
+ area 0.0.0.1 {
+ interface ge-0/0/0.0;
+ }
-- Exhibit --
Referring to the exhibit, what are two differences between the active and candidate configurations?
(Choose two.)

Question210: Which two prefixes would summarize the networks shown below? (Choose two.)
192.168.1.0/24
192.168.2.0/24
192.168.3.0/24

Question211: Which two statements are correct regarding default protocol preference values? (Choose two.)

Question212: What is the default import routing policy for OSPF?

Question213: Which two statements are true about terms in a routing policy? (Choose two.)

Question214: Which command do you use to display the messages seen during the last system boot?

Question215: Which statement is true regarding the Junos OS?

Question216: What is a valid option when using the ping command?

Question217: What represents the decimal equivalence of 11100101?

Question218: -- Exhibit --
[edit policy-options policy-statement my-policy]
user@router# show
term reject {
then reject;
}
term match {
from {
protocolbgp;
route-filter 10.10.10.0/24 exact;
}
}
-- Exhibit --
Referring to the exhibit, you must move the match term above the reject term.
Which command would accomplish this task?

Question219: What are three characteristics of Layer 2 switches? (Choose three.)

Question220: You are troubleshooting a routing issue and need to check the hop-by-hop path to the 10.10.10.10 destination.
Which three commands would display the path? (Choose three.)

Question221: By default, if equal-cost paths exist for the same destination, which action will the router take?

Question222: Which mode is used to allow only a single person to edit a configuration?

Question223: After editing to your device's configuration, which command must you enter to activate the configuration changes?