Alcatel-Lucent Nokia IP Networksand Services Fundamentals

QUESTION NO: 1
Which of the following is a function of the Link layer?

A. It is responsible for the timing of the signals on physical media. B. It is responsible for encapsulating application data into TCP/UDP messages. C. It is responsible for encapsulating packets into IP datagrams and routing them. D. It is responsible for encapsulating packets into frames for transmission on physical media.

Correct Answer: D

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QUESTION NO: 2
What happens immediately after an Ethernet switch receives an Ethernet frame?

A. It records the source MAC address and the interface on which it arrived. B. It records the destination MAC address and the interface on which it arrived. C. It transmits the frame out of the appropriate interface. D. It floods the frame out of all its interfaces except the interface on which the frame arrived.

Correct Answer: A

QUESTION NO: 3
What is the next-hop address used on router R1 to configure a static route to the network on CR1?

A. 10.1.1.1 B. 192.168.2.0 C. 10.2.3.1 D. 10.2.3.2

Correct Answer: D

QUESTION NO: 4
What type of MAC address is 01:00:5e:01:01:01?

A. Unicast B. Anycast C. Broadcast D. Multicast

Correct Answer: D

QUESTION NO: 5
Which of the following statements about the IP forwarding process is TRUE?

A. It uses the forwarding table to find a match for the source IP address. B. It uses the ARP table to find a match for the source MAC address. C. It uses the forwarding table to find a match for the destination IP address. D. It uses the ARP table to find a match for the destination MAC address.

Correct Answer: C

QUESTION NO: 6
What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host cannot be delivered?

A. Echo Reply. B. Echo Request. C. Destination Unreachable. D. Router redirect.

Correct Answer: C

QUESTION NO: 7
What bit pattern identifies the network address in the subnet mask?

A. A string of 0s B. There is no specific bit pattern to identify the network address. C. A string of alternating 10s D. A string of 1s

Correct Answer: D

QUESTION NO: 8
Who was responsible for developing and publishing the original standard that was used for 10 Mbit/s Ethernet?

A. Intel Corporation. B. IBM. C. DEC-Intel-Xerox. D. Digital Equipment Corporation. E. Apple Computer.

Correct Answer: C

QUESTION NO: 9
From the CE perspective, how does a VPWS operate?

A. Two sites are connected through a private routed network. B. Two sites are connected through a public routed network. C. Two sites are connected through a single switched LAN. D. Two sites are directly connected by a single cable.

Correct Answer: D

QUESTION NO: 10
Which of the following about transactional configuration is FALSE?

A. Configuration changes are activated by committing the candidate configuration. B. A running configuration datastore consists of multiple candidate configuration datastores. C. A router uses the running configuration datastore for its operation. D. Configuration changes are stored in a candidate configuration datastore.

Correct Answer: B

QUESTION NO: 11
Which of the following are accurate statements about the PE device in a service providers MPLS network? (Select three)

A. PE routers support many different interface types connecting to CE devices. B. A PE router connects to at least one P router. C. A PE router only connects to P routers. D. A PE router only connects to CE devices. E. A PE router connects to at least one CE device. F. PE routers only support Ethernet interfaces connecting to the CE.

Correct Answer: A,B,E

QUESTION NO: 12
What type of BGP sessions does router R2 need to establish in order to reach networks 192.168.1.0/27 and 192.168.5.0/27?

A. iBGP peering sessions with routers R1 and R5 B. eBGP peering sessions with routers R1, R3 and R4 C. An iBGP peering session with router R1, and an eBGP peering session with router R4 D. An eBGP peering session with router R1, and iBGP peering sessions with routers R3 and R4

Correct Answer: D

QUESTION NO: 13
Which of the following is NOT a field in a TCP header?

A. Source port. B. Sequence number. C. MTU. D. Window size. E. Acknowledgement number.

Correct Answer: C

QUESTION NO: 14
Which of the following command lines would be found in a list of commands designed to permit only certain type of traffic from exiting router RTR-A to router RTR-B?

A. RTR-A>config>router>if>ingress# filter ip 1 B. RTR-B>config>router>if>ingress# filter ip 1 C. RTR-A>config>router>if>egress# filter ip 1 D. RTR-B>config>router>if>egress# filter ip 1

Correct Answer: C

Alcatel-Lucent Nokia IP Networksand Services Fundamentals - 4A0-100 Exam Questions