EMT Practice Test

1. Question Content...

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Question1: In the diagram, what type of BGP session is established between the routers of AS 2002?

Question2: Which of the following is the location where an ISP aggregates its customer connections and connects them to the Internet?

Question3: What must occur for a LAG to become operational?

Question4: Which organization eventually became the standards body for IP and related protocols?

Question5: Which of the following are correct statements about MPLS labels? (Choose three.)

Question6: Host A receives a TCP SYN/ACK segment. What does this signify?

Question7: 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.

Question8: What is the purpose of the Data Link Layer in the OSI model?

Question9: Which of the following Nokia 7750 SR components is NOT part of the data plane?

Question10: 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?

Question11: To transmit its segments of data across the network TCP uses the services of which layer?

Question12: Which of the following statements about VPWS service on a Nokia 7750 SR is FALSE?

Question13: Which three of the following are important considerations when designing subnets? (Choose three.)

Question14: From the CE perspective, how does a VPLS operate?

Question15: What must occur before a LAG becomes operational?

Question16: Based on the network diagram, (click on exhibit) what is the command to use on CR1 to setup a default static route to R1?

Question17: Which of the following statements about IP addressing is TRUE?

Question18: Public IP address spaces are distributed by which of the following organizations?

Question19: 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?

Question20: Which of the following best describes a hub?

Question21: Choose two true statements that characterize Distance Vector Routing?

Question22: 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?

Question23: Public IP addresses are globally coordinated by which organization?

Question24: Which of the following is true of Ethernet half-duplex transmission?

Question25: Which of the following best describes an Autonomous System (AS)?

Question26: Which configuration edit mode does NOT give you access to the global candidate configuration?

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

Question28: Which of the following statements best characterize Distance Vector Routing? (Choose two.)

Question29: Which of the following statements is TRUE of Layer 3 addressing?

Question30: Multiple SAPs may be defined on the same physical port and may be used for different services.

Question31: Which of the following is NOT an advantage pf TCP/IP layering?

Question32: Which TCP/IP layer is responsible for providing the user's interface to the network?

Question33: Based on the network diagram (click the Exhibit Button).

R2 wants to connect a host on 192.168.2.0/24 behind CR1. What is the correct next-hop to use, assuming R1 is configured correctly?

Question34: Which of the following protocols can be used to force traffic from router R2 to use the direct link to router R4?

Question35: The physical networks connecting two PCs to the internet are DSL and PPP respectively. Which layer will enable the two PCs to communicate?

Question36: Which of the following routing protocols cannot be used between routers R2 and R4?

Question37: The method by which Ethernet frames are associated to a specific VLAN is referred to as:

Question38: Which of the following is a private IP network address reserved by the IANA?

Question39: How do ATM and Frame-Relay protocols differentiate multiple customers or traffic types on the same physical wire?

Question40: Which statement best describes an SDP?

Question41: Which of the following about the displayed IP filter is TRUE?

Question42: A set of tasks that move a packet from its entry into an IP network to its exit from the IP network. This describes:

Question43: What problem was Spanning Tree Protocol (STP) primarily designed to solve?

Question44: A VPWS service maintains a MAC Forwarding Database (FDB) for Ethernet SAPs.

Question45: Which device is responsible for removing the MPLS label before the packet reaches the CE device?

Question46: Which of the following statements about the OSPF HELLO message is TRUE?

Question47: A network with address 208.40.224.0/24 is divided into /28 subnets. What is the network address of the third subnet?

Question48: Which of the MPLS routers is responsible for pushing new labels for LSP A and LSP B?

Question49: Which of the following about transactional configuration is FALSE?

Question50: Which of the following best describes an autonomous system?

Question51: 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?

Question52: Network 201.148.104.0/21 is subnetted using a /23 mask. How many subnets and host addresses per subnet will be obtained with this mask?

Question53: On the Nokia 7750 SR, which key displays all command options and their descriptions?

Question54: Which of the following describes an IP filter on the Nokia 7750 SR?

Question55: What capability of TCP/IP allows two hosts to have multiple TCP sessions to each other simultaneously?

Question56: What is the meaning of carrier sense in the CSMA/CD algorithm?

Question57: 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?

Question58: Which field in the Routing Information Base (RIB) determines the direction frames will egress the node?

Question59: What protocol is used by ping to verify IP network reachability?

Question60: When entering a command on the Nokia 7750 SR from the Command Line Interface (CLI), what would you use to list all the options for the command?

Question61: When forwarding a packet, which field in the following table determines the egress interface?

Question62: Which of the following is NOT characteristic of Ethernet?

Question63: Which of the following statements is FALSE when describing a Virtual Private LAN Service?

Question64: Router R5 receives four route updates for the same prefix 10.10.10.1/32. Which of the four routes will be installed in R5's routing table?

Question65: What is the behavior of a typical Ethernet switch when it receives a frame with a uncast destination MAC address? (Choose two)

Question66: Which of the following is a characteristic of the IP layer?

Question67: What is the basic unit of framing in SDH and the bit rate for transmission?

Question68: Which of the following is a function of the Link layer?

Question69: Which organization co-ordinates global public IP addresses?

Question70: What is the function of the Routing Table Manager?

Question71: Which of the following is a characteristic of Distance Vector protocols?

Question72: Which of the following are examples of Time Division Multiplexing (Choose two)?

Question73: The TiMOS-m.n.Y.Z software image file is software that:

Question74: Which compact flash on a Control/Switch processor on a Nokia 7750 SR stores the runtime image and the running configuration?

Question75: Which statement best describes a VPRN service?

Question76: Which of the following statements is TRUE regarding IP addressing?

Question77: Which of the following is a characteristic of a subnet created with a /31 prefix?

Question78: What is the purpose of the broadcast IP address?

Question79: Which of the following egress interfaces is used to forward a packet with destination IP address 140.10.0.110?

Question80: Which of the following statements is TRUE regarding a VPWS service?

Question81: What type of BGP sessions does router R2 need to establish in order to reach network 192.168.5.0/27?

Question82: Which of the following is IANA responsible for?

Question83: On a Nokia 7750 SR, which of the following event log destinations is used to store an event log to the compact flash?

Question84: A network consists of the components shown in the diagram.

Assuming there are no VLANs, how many
broadcast and collision domains are on this network?

Question85: Which answer reflects the correct message sequence used when a source attempts to ping a destination for which it has no Address Resolution Protocol (ARP) cache entry?

Question86: What is required if devices on different VLANs wish to communicate with each other?

Question87: A network with address 208.40.224.0/24 is divided into /28 subnets. What is the host address range of the fourth subnetwork?

Question88: What metric does a link state protocol use to choose the best path to a destination network?

Question89: Which of the following IP header fields contains information that indicates whether routers are allowed to fragment a packet?

Question90: Given the associated prefix value, which of the following is a valid host address?

Question91: Which tier of Internet service providers can reach any part of the Internet without having to purchase transit services from other Internet service providers?

Question92: Which of the following best describes the operation of the Media Dependent Adapter (MDA)?

Question93: Which of the following is a characteristic of the system address?

Question94: Given a network address of 116.14.0.0, which of the following is a valid host address when using the subnet mask 255.255.255.240?

Question95: (Click the Exhibit Button below) An Ethernet Local Area Network (LAN) consists of the following components:
Four 24-port hubs & Two 16-port switches
How many broadcast domains are on this LAN?

Question96: Which of the following if a Layer 3 protocol?

Question97: Which of the following is NOT a characteristic of the Internet?

Question98: Which of the following statements about packet forwarding is FALSE?

Question99: What problems was Spanning Tree Protocol (STP) primarily designed to solve? (Choose two):

Question100: What next-hop should be used on CR1 to configure a default route to router R1?

Question101: How does a VPRN service avoid the problem of overlapping IP addresses from different customers?

Question102: Complete the following sentence: The introduction of the subnet address added another:

Question103: What type of MAC address is ff:ff:ff:ff:ff:ff?

Question104: How many of the front access card slots of the Nokia 7750 SR-12 router are dedicated for redundant common equipment?

Question105: How does a VPRN service avoid the problem overlapping IP addresses from different customers?

Question106: Which of the following is a File command in the File System context of the Command Line Interface (CLI)?

Question107: Which of the following statements is TRUE about ICMP?

Question108: What happens next after an incoming packet is de-encapsulated from the Layer 2 frame in an Nokia 7750 router?

Question109: On a Nokia 7750 SR, which of the following event log destinations is used to store an event log to the compact flash?

Question110: Which of the following is used for the auto completion of CLI commands in a Nokia 7750 SR?

Question111: Which of the following does a link-state protocol use when choosing the best path to a destination network?

Question112: What operation is performed by an LSR when it receives an MPLS labeled packet?

Question113: An Ethernet Local Area Network (LAN) consists of the components shown in the diagram. How many collision domains are on this LAN?

Question114: One of the tasks of the boot options file (BOF) is to:

Question115: TCP is sending data in 5 segments with SEQ numbers 27000, 27500.28000, 28500, and 29000 respectively. During transmission, the segment with SEQ=28500 is dropped in the network. How does TCP handle this situation?

Question116: Given network address 200.12.30.0 with network mask 255.255.255.0, which subnet mask can be used to create 12 subnetworks? Each subnetwork must support 10 host addresses.

Question117: Which of the following statements best describes ARPANET?

Question118: Which of the following are protocols belonging to the OSI suite of protocols? (Choose two)

Question119: What type of VPN service does a VPRN provide?

Question120: What is the effective maximum rate of data transmission on a 10 Mbps full-duplex Ethernet link?

Question121: A switch with the MAC FDB shown in the exhibit receives an Ethernet frame with source MAC address 00:00:8c:01:00:0a and destination MAC address ff:ff:ff:ff:ff:ff. On which ports is the frame forwarded?

Question122: 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?