NEW QUESTION 1
Which of the following statements is FALSE when describing a Virtual Private LAN Service?

• A. A VPLS emulates a virtual switch or bridg
• B. The VPLS performs MAC learning on MAC addresses seen from SAPs and SDP
• C. When a VPLS receives a frame with an unknown MAC destination, the frame will be droppe
• D. MAC addresses are maintained in a MAC address forwarding database (FDB).

Answer: C

NEW QUESTION 2
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 3
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 4
A typical Alcatel-Lucent 7750 SR Media Dependent Adapter (MDA) interfaces with:

• A. A Small Form-Factor Pluggable (SFP) modul
• B. The Central Processing Unit (CPU).
• C. The Control Plan
• D. The Switch Fabri

Answer: A

NEW QUESTION 5
What operation is performed by an LSR when it receives an MPLS labeled packet?

• A. The LSR refers to its routing table and forwards the packet to the next LSR or LER without altering the MPLS labe
• B. The LSR refers to its MPLS label table, swaps the label and forwards the packet to the next LSR or LE
• C. The LSR refers to its MPLS label table forwards the packet to the next LSR or LER without altering the MPLS labe
• D. The LSR refers to its MPLS label table, pops the label and forwards the packet to the next IP route

Answer: B

NEW QUESTION 6
Which of the following statements is TRUE regarding the development of the OSI Reference Model?

• A. OSI was developed as an alternative, open standard to IBMs SNA mode
• B. OSI protocols were no longer used after TCP/IP was develope
• C. OSI model is much simpler than TCP/I
• D. OSI model is maintained exclusively by the IET

Answer: A

NEW QUESTION 7
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 8
Which protocol is used by ping to verify IP network reachability? A. DCHP

• A. ICMP
• B. ARP
• C. NAT

Answer: B

NEW QUESTION 9
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 10
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?

• A. 116.14.17.16
• B. 116.14.17.31
• C. 116.14.17.192
• D. 116.14.17.189

Answer: D

NEW QUESTION 11
Which of the following statements are TRUE regarding SONET/SDH? (Choose 2)

• A. They are deployed over point-to-point physical topologies to allow sub-50ms convergenc
• B. An ADM (Add Drop Multiplexer) is used to connect various sites to the infrastructur
• C. IP datagrams are encapsulated in a PPP frame for transmission over an SDH network,
• D. IP datagrams are encapsulated in an Ethernet frame for transmission over a SONET networ

Answer: BC

NEW QUESTION 12
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 13
Which organization first considered cross-platform networking support to be a necessity?

• A. IB
• B. US Militar
• C. Alcatel-Lucen
• D. NAS
• E. Bell Labs

Answer: B

NEW QUESTION 14
The TiMOS-m.n.Y.Z software image file is software that:

• A. Contains all the components required to configure and run protocols on the Alcatel-Lucent 7750 SR/7450 ES
• B. Loads the router configuratio
• C. Transfers the router configuration from the router to the network management syste
• D. Loads the router software imag

Answer: A

NEW QUESTION 15
Which of the following is a characteristic of a subnet created with a /31 prefix?

• A. There is no broadcast address on the networ
• B. The address can only be used as a loopback addres
• C. This specifies a single host addres
• D. A /31 prefix is not supported on the SR and ESS platfor

Answer: A

NEW QUESTION 16
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?

• A. 172.16.9.0/24 next-hop 10.10.10.1
• B. 172.16.9.0/24 next-hop 10.10.10.2
• C. 172.16.9.0.24 next-hop 10.10.10.3
• D. Any of the above

Answer: C

NEW QUESTION 17
Which of the following statements is TRUE regarding IP addressing?

• A. Classful IP addressing provides hierarchy based on variable subnet mask
• B. Classless IP addresses provide hierarchy based on a variable length subnet mas
• C. Classless IP addresses provide hierarchy based on fixed subnet masks of /24./16 and/8.
• D. IP addresses provide hierarchy based on the country code and regional identifie

Answer: B

NEW QUESTION 18
Choose two true statements that characterize Link State Routing

• A. Routers send a copy of their routing table to their neighbors periodicall
• B. Routers flood link information throughout the entire are
• C. Network converges quickly (within several seconds) after a topology chang
• D. Routers do not have precise knowledge of the entire network topolog

Answer: BC

NEW QUESTION 19
To transmit its segments of data across the network TCP uses the services of which layer?

• A. Application Laye
• B. Transport Laye
• C. IP Laye
• D. Data Link Layer

Answer: C

NEW QUESTION 20
Which ATM adaptation layer is commonly used for transporting IP datagrams or non-real time data?

• A. AAL0
• B. AAL1
• C. AAL2
• D. AAL3/4
• E. AAL5

Answer: E