EMT Practice Test

1. Question Content...

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Question1: Which three of the following are important considerations when designing subnets? (Choose three.)

Question2: Which of the following best describes a repeater?

Question3: Which of the following is a characteristic of a subnet created with a /31 prefix?

Question4: Which type of IP address contains the network number and all 1's for the host address?

Question5: What is the name for an organization that provides Internet services to its customers?

Question6: If a 4-port LAG is configured with the option of 'port-threshold 2' and 'action down' what will happen if the
total operational links in the LAG is 2?

Question7: Which field in the TCP header is used by the receiver to indicate the number of segments it can receive?

Question8: Which of the following information can be seen within the FILE context of the SR 7x50? (Choose 2)

Question9: Which of the following are examples of Time Division Multiplexing (Choose two)?

Question10: Which ATM adaptation layer is commonly used for transporting IP datagrams or non-real time data?

Question11: Which of the following statements best characterize Distance Vector Routing? (Choose 2)

Question12: Which field in the Routing Information Base (RIB) determines the direction frames will egress the node?

Question13: Which of the following is a characteristic of the IP layer?

Question14: What happens immediately after an Ethernet switch receives an Ethernet frame?

Question15: Public IP address spaces are distributed by which of the following organizations?

Question16: What is the basic unit of framing in SDH and the bit rate for transmission?

Question17: What is required if devices on different VLANs wish to communicate with each other?

Question18: The TCP/IP and OSI models of protocol are similar in that they both have:

Question19: What bit pattern identifies the network address in the subnet mask?

Question20: How is Ethernet II different from Ethernet 802.3?

Question21: In an MPLS network, which device is responsible for taking an unlabeled packet and encapsulating it with
an MPLS label?

Question22: Which of the following statements regarding TCP is TRUE?

Question23: What must occur before a LAG becomes operational?

Question24: What must the sender do when it receives a window size of 0 from the receiver?

Question25: Which of the following are NOT examples of a VPN service offered on the Alcatel-Lucent 7750 SR?
Choose two.

Question26: Which organization first considered cross-platform networking support to be a necessity?

Question27: What is the basic unit of framing in SDH and the bit rate for its transmission?

Question28: Which of the following is a File command in the File System context of the Command Line Interface (CLI)?

Question29: Which of the following SAP types can be associated to a VPWS? (Choose 3)

Question30: Which of the following is characteristic of a static route?

Question31: At what stage in the packet forwarding process, is the IP packet header examined?

Question32: Which of the following describes the normal sequence of events in the forming of an OSPF adjacency?

Question33: The TiMOS-m.n.Y.Z software image file is software that:

Question34:
Based on the network diagram (click the Exhibit Button), what are the prefix, mask, and next-hop used on
CR1 to setup a default static route to R1?

Question35: As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin
transmitting data at the same time?

Question36: In what type of network is a broadcast storm likely to occur?

Question37: Which of the following statements is TRUE regarding the development of the OSI Reference Model?

Question38: What is the sequence of messages sent by a host when it attempts to ping a destination for which it has no
Address Resolution Protocol (ARP) cache entry?

Question39: The method by which Ethernet frames are associated to a specific VLAN is referred to as:

Question40: Which of the following applications would be likely to use UDP?

Question41: How many of the front access card slots of the Alcatel-Lucent 7750 SR-12 router are dedicated for
redundant common equipment?

Question42: Which transport protocol and port number is used by BGP to establish and maintain a peering session with
other BGP speakers?

Question43: The statement below describes which of the following activities?
"A set of tasks that moves a packet from its entry into an IP network to its exit from the IP network."

Question44: You are working from a particular Command Line Interface (CLI) context, and want to see the commands
available from your current context. What command can you issue to view this information?

Question45: A 24 port Ethernet switch is configured with VLAN 100 on ports 1 - 8, VLAN 200 on ports 9 - 16 and VLAN
300 on ports 17 - 24. Which of the following describes the behavior of the switch when a broadcast frame
is received on port 1?

Question46: Using Q-in-Q Virtual Local Area Network (VLAN) stacking, how does a carrier differentiate one customers
traffic from that of another?

Question47: Which of the following is a characteristic of Layer 2 framing?

Question48: A typical Alcatel-Lucent 7750 SR Media Dependent Adapter (MDA) interfaces with:

Question49: Which statement best describes how the internet evolved?

Question50: In the diagram, R7 receives a new LSA from R3 and installs it in its link state database. 10 ms. later it
receives another copy of the LSA with the same sequence number from R8. What does R7 do with the
LSA received from R8?

Question51: What protocol is used by ping to verify IP network reachability?

Question52: Which of the following type of addressing scheme delivers information from one source to all devices who
are members of a specific group?

Question53: What is the purpose of the broadcast address?

Question54: What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?

Question55: Which of the following is a feature of Layer 3?

Question56: Which of the following statements best characterize Link State Routing? (Choose 2)

Question57: SAPs may be a port, a port with a specific VLAN tag in the case of an Ethernet port, or a port with a
specific Circuit ID in the case of ATM or Frame Relay.

Question58: Which of the following is a characteristic of the system address?

Question59: Which of the following statements is TRUE regarding IP addressing?

Question60: What happens in a TCP session if a segment is not acknowledged within a certain time period?

Question61: Which two protocols are used for the dynamic signaling of MPLS labels (Choose two)?

Question62: How does the Transport Layer identify which application is to receive the data?

Question63: Why is the address field in a PPP header always set to "11111111"?

Question64: Which of the following statements are TRUE regarding IP-filters? (Choose 2)

Question65: What is the function of the Routing Table Manager?

Question66: Which of the following are functions of VLANs? (Choose 2)

Question67: In the diagram, R3 receives an LSA with sequence number 112 from R7 and installs it in its link state
database. 10 ms. Later it receives a copy of the same LSA with a sequence number of 111 from R1. What
does R3 do with the LSA from R1?

Question68: Which of the following is an important advantage of protocol layering? (Choose two)

Question69: Complete the following sentence: The introduction of the subnet address added another:

Question70: Which of the following is not supported on the Alcatel-Lucent 7450 ESS?

Question71: Which protocol is used by ping to verify IP network reachability?

Question72: What characteristic of IP addressing creates a hierarchical network?

Question73: Based on the network diagram (click on the exhibit), what is the command to use on R1 to setup a static
route to the network on CR1

Question74: Which of the following describes a static default route?

Question75: Which application below would be likely to use UDP?

Question76: What is NOT a function of the IOM?

Question77: Which statement accurately explains the purpose of the TCP protocol and what it provides?

Question78: What is the purpose of the Data Link Layer in the OSI model?

Question79: The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will
you obtain with this mask?

Question80: Which of the following user interface sessions are accessible through Telnet and Secure Shell (SSH) on
the Alcatel-Lucent 7750 SR and 7450 ESS?

Question81: Which of the following is the best description of well known ports?

Question82: Which of the following statements BEST describes the purpose of UDP (Select two)?

Question83: Which of the following protocols belongs to the OSI suite of protocols? (Choose 2)

Question84: Based on the network diagram (click on exhibit), Router 1 installs the network D in its routing table, based
on a dynamic routing update from Router 2. Which of the following describes the information that will be
installed in the routing table?

Question85: Which of the following is a private IP network address reserved by the IANA?

Question86: A set of tasks that move a packet from its entry into an IP network to its exit from the IP network. This
describes:

Question87: What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host
cannot be delivered?

Question88: The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will
be obtained with this mask?

Question89: What is the basic unit of framing in SONET and the bit rate for its transmission?

Question90: When a device in an IP network receives an echo request message that is destined for itself, it then:

Question91: Which technologies can be used with Ethernet switches to achieve redundancy? (Choose two)

Question92: What must occur for a LAG to become operational?

Question93: Which of the following are FALSE statements about the OSPF routing protocol? Choose two.

Question94: Which of the following statements are TRUE about the Alcatel-Lucent SR 7750? (Choose 2)

Question95: How does a VPRN service avoid the problem overlapping IP addresses from different customers?

Question96: Which of the following statements best describe the purpose of UDP? (Choose two)

Question97: Kahn solved the problem of interconnecting different networks using different protocols by pioneering a
new protocol called TCP that was capable of:

Question98: The sequence numbers are used by TCP to ensure that the data receive is provided to the application in
the correct order.

Question99: Which statement best describes a VPRN service?

Question100: What is the sequence of events for a client to receive an IP address from the server in the DHCP?

Question101: Which field in the TCP header is used by the receiver to indicate how many segments it can receive?

Question102: What is the function of an LSR?

Question103: Which of the following statements are TRUE regarding SONET/SDH? (Choose 2)

Question104: Which of the following best describes an Ethernet bridge?

Question105: If a customer requires a point-to-point layer 2 VPN service between two locations which VPN service would
be typically suited for this customer?

Question106: Which of the following mediums can be used in a VPWS when defining SAPs (Select three)?

Question107: Which of the following best describes the function of the service label?

Question108: Why does UDP have less overhead than TCP?

Question109: What information is used to separate VLANs on a VLAN trunk that connects multiple VLANs?

Question110: Which statement best describes a SAP?

Question111: The IANA is responsible for:

Question112: What happens next after an incoming packet is de-encapsulated from the Layer 2 frame in an Alcatel-
Lucent 7750 router?

Question113: A CE device has a physical connection to which device in the service providers MPLS network?

Question114: In regards to the Alcatel-Lucent 7750 SR-12 router, how many of the front access card slots are dedicated
for Control Processors?

Question115: Which Ethernet frame field does the receiver use to verify the integrity of the received bits?

Question116: Which of the following is TRUE regarding Ethernet half-duplex transmission?

Question117: Which of the following best describes the operation of the Media Dependent Adapter (MDA)?

Question118: Which of the following best describes an autonomous system?

Question119: From the CE perspective, how does a VPLS operate?

Question120: Which of the following are correct statements about MPLS labels? (Choose 3)

Question121: Which of the following is a feature of a VLAN?

Question122: Host A is transmitting data to host B on a TCP connection. What is the purpose of the ACK sent by host B?

Question123: Which statement best describes an SDP?

Question124: What does a VPLS solution look like from a customers perspective?

Question125: What is the effective maximum rate of data transmission on a 10 Mbps full-duplex Ethernet link?