EMT Practice Test

1. Question Content...

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Question1: Click the Exhibit button.

There are dynamically and statically routed networks attached to the ge-0/0/1 interface on R1. You only want the dynamically learned routes to show up in routing tables for R2 and R3, but the statically routed networks are also appearing. Those networks should only be seen by the R1 device.
Which actions would solve the problem?

Question2: Click the Exhibit button. Based on the output shown in the exhibit, which statement is correct?

Question3: Click the Exhibit button.

You have an existing Virtual Chassis consisting of five member devices. Member 3 fails and must be replaced. You remove the EX Series switch with a Member ID of 3 and install a replacement switch in its place using identical cabling as shown in the exhibit. The replacement's member ID is 6, so the configuration for member ID 3 is not applied to it.
Referring to the exhibit, what should have been done before installing the replacement switch?

Question4: What are two OSPF packet types that use multicast for communication on a multicast segment? (Choose two.)

Question5: Click the Exhibit button.

Referring to the exhibit, why is the 0.0.0.0/0 route hidden?

Question6: What is considered a requirement for passing traffic through GRE tunnels?

Question7: Which three BGP attributes are well-known and mandatory? (Choose three.)

Question8: Click the Exhibit button. In the exhibit, each IP subnet in the network is associated with a unique VLAN ID.
Which action will ensure that Host C will communicate with Host A and Host B?

Question9: Which protocol prevents loops and calculates the best path through a switched network that contains redundant paths?

Question10: Click the Exhibit button.

The IS-IS adjacency between routers R1 and R2 will not establish.
Referring to exhibit, what is the problem?

Question11: Click the Exhibit button. Referring to the exhibit, what is the problem?

Question12: You are currently defining a new OSPF area. The area must advertise external routes but should not receive external routes from another area.
In this scenario, which type of area should you define?

Question13: What are three types of bridge protocol data units? (Choose three.)

Question14: Referring to the exhibit, which three actions would summarize these routes to a BGP peer? (Choose three.)

Question15: What would be used to combine multiple switches into a single management platform?

Question16: Depending on the link type, OSPF sends link state update packets to which two addresses? (Choose two.)

Question17: Which statement about IS-IS adjacencies is true?

Question18: Click the Exhibit button. Referring to the exhibit, which type of route is displayed?

Question19: Which protocol supports tunneling of non-IP traffic?

Question20: Click the Exhibit button.

You are troubleshooting an IS-IS adjacency problem as shown in the exhibit.
Which action would solve the problem?

Question21: You manage a Layer 2 network that spans two buildings. You are asked to ensure that all traffic that traverses this connection between the two buildings is secured.
Which port security feature should be used to secure this Layer 2 traffic?

Question22: Which two statements describe the BGP Local Preference attribute? (Choose two.)

Question23: Click the Exhibit button.

Referring to the outputs shown in the exhibit, which statement is correct?

Question24: Which two statements are correct regarding the root bridge election process when using STP? (Choose two.)

Question25: Click the Exhibit button. The exhibit shows that Host-1 and Host-2 are attached to the switch and associated with IRB irb.1.
However, traffic sent from Host-1 to Host-2 is not blocked as expected. Why is this problem occurring?

Question26: Which two statements are true about the IRB interface? (Choose two.)

Question27: Click the Exhibit button. A number of reports from end-users indicate that internal and external communications are intermittent and not reliable.
You verified the status of the switch ports and have determined that they are up and operational. You also noticed a very high level of link bandwidth utilization on those same ports.
The current topology of the affected environment is shown in the exhibit. What would be the cause of the reported issues?

Question28: You are troubleshooting your OSPF configuration and notice that you have subnet mismatch errors when running the show ospf statisticscommand.
Which two actions would further troubleshoot the errors? (Choose two.)

Question29: Which two statements are true about DIS elections in IS-IS? (Choose two.)

Question30: Click the Exhibit button.

Referring to the exhibit, which two statements are true regarding IS-IS adjacencies? (Choose two.)

Question31: You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis. However, the new member is not running the same Junos version as the other members.
By default, what is the expected behavior?

Question32: Click the Exhibit button. Referring to the exhibit, you are asked to ensure that host-1 can communicate with host-3 while also allowing host-2 to communicate with host-4.
What should you do to enable this behavior?

Question33: Click the Exhibit button.

You are performing network tests and notice that the Layer 3 interface in the Finance VLAN on an EX Series switch is not responding to pings. You review the device status from the console.
What is causing the problem, as shown in the exhibit?

Question34: Click the Exhibit button. Referring to the exhibit, what does the asterisk (*) indicate?

Question35: Which two statements are correct about redundant trunk groups on EX Series switches? (Choose two.)

Question36: Which two values are used to generate a bridge ID when using STP? (Choose two.)

Question37: Host-1 was recently added in the network and is attached to ge-0/0/10 on Switch-A.
Host-1 is powered on and has its interface configured with default Layer 2 settings and an IP address on the 172.17.12.0/24 IP subnet.
Host-1's MAC address is not shown in Switch-A's bridging table. What are three explanations for this state? (Choose three.)

Question38: Click the Exhibit button.

What would cause the status of interface ge-0/0/8 as shown in the exhibit?

Question39: Which three link-specific fields must match between OSPF neighbors before they form an adjacency over a broadcast medium? (Choose three.)

Question40: Click the Exhibit button. Referring to the exhibit, which type of route is displayed?

Question41: Which two port security features are dependent on the DHCP snooping database? (Choose two.)

Question42: Click the Exhibit button.

You are unable to establish a BGP session between R2 and ISP-B.
Referring to the exhibit, what must be changed in the configuration?

Question43: Click the Exhibit button.

Referring to the exhibit, which three statements are true? (Choose three.)

Question44: Which mechanism is used to share routes between routing tables?

Question45: You have deployed a Juniper EX Series switch in the network. The switch receives a broadcast frame on an interface.
Which statement describes the behavior of the switch?

Question46: Click the Exhibit button.

You manage the Layer 2 network shown in the exhibit. You experience a failure on the ge-0/0/0 link between Switch-1 and Switch-2.
Which statement is correct about the expected behavior?

Question47: What are two interarea OSPF LSA types? (Choose two.)

Question48: What are three components that populate the Ethernet switching table? (Choose three.)

Question49: Click the Exhibit button.

Referring to the exhibit, which statement is correct?

Question50: Click the Exhibit button.

You are asked to change the default behavior of your trunk port (ge-0/0/1) to now pass untagged traffic.
Which configuration would accomplish this task?

Question51: Which statement describes optional transitive BGP attributes?

Question52: What is reviewed first in the BGP route selection process?

Question53: What are three RSTP port states? (Choose three.)

Question54: Click the Exhibit button. You are notified that clients connected to your EX Series switch are not receiving IP addresses from the DHCP server.
You examine the switch configuration and notice that DHCP snooping has been enabled. In this scenario, what would cause the problem?

Question55: Click the Exhibit button. Referring to the exhibit, which statement is correct?

Question56: You received an alert from your monitoring system that the master Routing Engine (RE) on an EX4300 switch in a virtual chassis has hardware issues and might need to be replaced. Because the switch already had graceful Routing Engine switchover (GRES) enabled and configured, you must perform a manual switchover to the backup RE to avoid disruption.
Which command would be used to perform the manual RE switchover?

Question57: An EX Series switch receives a frame with an unknown destination MAC address.
What is the expected behavior?

Question58: Click the Exhibit button.

Referring to the exhibit, which two statement are true? (Choose two.)

Question59: Click the Exhibit button.

What will be two results of the OSPF configuration shown in the exhibit? (Choose two.)

Question60: Click the Exhibit button.

You are establishing a BGP session between R1 and R2. R2 shows 172.24.1.1 as its peer address for R1 instead of 192.168.100.1.
Referring to the exhibit, what must be changed in the configuration?

Question61: There is a GRE tunnel configured over the Internet between Router-1 and Router-2. An OSPF adjacency is configured over this GRE tunnel. However, the OSPF adjacency briefly reaches the Full state before it is torn down. This cycle repeats indefinitely.
Which two actions would you perform to solve this problem? (Choose two.)

Question62: Click the Exhibit button. Referring to the exhibit, what does the asterisk (*) following the ge-0/0/5.0 interface indicate?

Question63: Click the Exhibit button.

The configuration shown in the exhibit was committed on an EX Series switch. You are notified that the phone using the voice VLAN does not work. You determine that voice traffic is not passing through the local switch.
What should be done to solve the problem?

Question64: Which three mechanisms are associated with the bridging process? (Choose three.)

Question65: Click the Exhibit button. Given the configuration shown in the exhibit, what will be the threshold for storm control?

Question66: Click the Exhibit button. Based on the trace options output shown in the exhibit, what is the problem with the adjacency?

Question67: Click the Exhibit button. Referring to the exhibit, Router-1 and Router-2 are failing to form an IS- IS adjacency. What should you do to solve the problem?

Question68: Which static route next-hop value indicated that the packet will be silently dropped?

Question69: Click the Exhibit button. Referring to the exhibit, which router will be selected as the DR?

Question70: Click to the exhibit button. Referring to the exhibit, which configuration change is needed for an IS-IS Level
1 adjacency between R1 and R2?

Question71: Which two statements are true about STP port states? (Choose two.)

Question72: Click the Exhibit button.

Referring to the exhibit, which statement explains why the route to 192.168.178.0/24 advertised from
192.168.35.90 is hidden?

Question73: Which two statements are true about link aggregation groups (LAGs)? (Choose two.)

Question74: Which two statements about RSTP are correct? (Choose two.)

Question75: Router-1 and Router-2 need to connect through the Internet using a tunneling technology.
Hosts that are connected to Router-1 and Router-2 will be sending traffic up to 1500 bytes.
The maximum segment size is supported across the path is 1520 bytes. Which tunneling technology will allow this communication to take place?