NEW QUESTION 1
Which statement best describes a SAP?

• A. The Service ATM Point is used for ATM connections to a P
• B. The Service Access Point is defined on the PE device and is the customers access to the servic
• C. The Service Access Point is defined on the P device and is the customers access to the servic
• D. The Service Access Point is defined on the CE device and is the customers access to the servic

Answer: B

NEW QUESTION 2
Which network was created to replace ARPANET?

• A. INWG
• B. ALOHANET
• C. IETF
• D. NSFNET

Answer: D

NEW QUESTION 3
How many of the front access card slots of the Alcatel-Lucent 7750 SR-12 router are dedicated for redundant common equipment?

• A. 1
• B. 2
• C. 7
• D. 10

Answer: B

NEW QUESTION 4
Which type of IP address contains the network number and all 1's for the host address?

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

Answer: B

NEW QUESTION 5
What happens immediately after an Ethernet switch receives an Ethernet frame?

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

Answer: B

NEW QUESTION 6
Which of the following are TRUE statements about the router ID in OSPF? Choose two

• A. A router ID is not required by OSP
• B. The system address is used as the router ID if router-id is not se
• C. The router ID is used to uniquely identify every OSPF route
• D. On the Alcatel-Lucent 7750 SR, the router ID is set to the highest logical IP address if router-id is not explicitly se

Answer: BC

NEW QUESTION 7
How does a VPRN service avoid the problem of overlapping IP addresses from different customers?

• A. You cannot have overlapping IP addresse
• B. Customers must change their IP address assignmen
• C. Each VPRN service maintains a separate VPN routing and forwarding instance to separate customer routing informatio
• D. This allows for overlapping addresse
• E. A VPRN ignores IP addressing information and uses MAC addressing instead, which are always uniqu
• F. A VPRN translates customer IP addresses to a private addressing scheme administered by the service provide

Answer: B

NEW QUESTION 8
A VPWS service maintains a MAC Forwarding Database (FDB) for Ethernet SAPs.

• A. True
• B. False

Answer: B

NEW QUESTION 9
The TCP/IP and OSI models of protocol aresimilar in that they both have:

• A. An application and session laye
• B. A network layer that provides a universal and consistent forwarding servic
• C. A transport layer with two protocol
• D. An applications services layer with similar layering and service definition

Answer: C

NEW QUESTION 10
Which of the following best describes the function of the service label?

• A. Customer traffic is encapsulated with a service label by the ingress P
• B. The service label identifies which transport tunnel to us
• C. Customer traffic is encapsulated with a service label by the egress P
• D. The service label identifies which transport tunnel to us
• E. Customer traffic is encapsulated with a service label by the egress P
• F. The service label identifies the specific service the data belongs t
• G. Customer traffic is encapsulated with a service label by the ingress P
• H. The service label identifies the specific service the data belongs t

Answer: D

NEW QUESTION 11
Why does UDP have less overhead than TCP?

• A. UDP has less overhead because it is only used for transmission of small amounts of dat
• B. UDP has less overhead then TCP because there is no checksum field in UD
• C. UDP overhead is the same as TCP because it uses the same fields in the heade
• D. UDP has less overhead because there is no requirement for acknowledgment or retransmissio

Answer: D

NEW QUESTION 12
What is thebehaviorof a typical Ethernet switch when it receives a frame with auncastdestination MAC address? (Choose two)

• A. The switch floods the frame out of all ports except the port on which it was receive
• B. The switch looks in its FD
• C. If the source address is unknown it discards the fram
• D. The switch looks in its FD
• E. If the destination address is known it forwards the frame out the appropriate interfac
• F. The switch looks in its FD
• G. If the destination address is unknown it floods the frame out all ports except the port on which it was receive
• H. The switch looks in its FD
• I. If the destination address is unknown it discards the fram

Answer: CD

NEW QUESTION 13
A set of tasks that move a packet from its entry into an IP network to itsexit from the IP network. Thisdescribes:

• A. IP routin
• B. IP protoco
• C. IP encapsulatio
• D. IP tunnelin

Answer: A

NEW QUESTION 14
Which of the following statements regarding TCP is TRUE?

• A. Sequence numbers are used to ensure that the data received is offered to the application in the correct orde
• B. The SYN flag is used to identify congestion in the networ
• C. The NACK flag is set on confirmation segments to acknowledge FCS error
• D. The window size is transmitted in all TCP segments to communicate MTU limitations of lower layer protocols to upper layer application

Answer: A

NEW QUESTION 15
What is the basic unit of framing in SDH and the bit rate for transmission?

• A. STM-1 with a bit rate of 1.544 Mbit/
• B. STM-1 with a bit rate of 2.048 Mbit/
• C. STM-1 with a bit rate of 51.84 Mbit/
• D. STM-1 with a bit rate of 155.52 Mbit/

Answer: D

NEW QUESTION 16
Which of the following protocols belongs to the OSI suite of protocols? (Choose 2)

• A. OSPF
• B. BGP
• C. X.500
• D. IS-IS
• E. Ethernet

Answer: CD

NEW QUESTION 17
Which of the following statements is TRUE regarding a VPWS service?

• A. VPWS is a point-to-multipoint servic
• B. VPWS requires MAC learning in order to forward frames to the correct destination
• C. A Spanning Tree Protocol must be enabled when deploying a VPW
• D. VPWS treats multicast traffic similar to unicast traffi

Answer: D

NEW QUESTION 18
What problem was Spanning Tree Protocol (STP) primarily designed to solve?

• A. Inability to perform switch to switch redundancy using multiple connections at Layer 2.
• B. Missing protocol field in Ethernet II required to identify redundancy protocols at Layer 2.
• C. Missing packet sequencing in Layer 2 Ethernet required to re-order packets on arriva
• D. Inability to forward multicast frames without a routing protoco

Answer: A

NEW QUESTION 19
Which of the following is an important advantage of protocol layering? (Choose two)

• A. Controls distribution of IP addresse
• B. Simplifies protocol functionalit
• C. Isolates changes in lower layers from upper layer
• D. Increases protocol operational efficiencie
• E. Layering adds to the fragmentation of the data

Answer: CD