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Q81. Which of the following describes the Alcatel-Lucent 7750 SR Input/Output Module (IOM)?
A. Small optical module available in a variety of formats.
B. Contains a CPU for managing the forwarding hardware in each flexible fast path.
C. Converts traffic from an external standard format to an internal format.
D. Contains the CPU that runs the routing protocol software as well as the switch fabric.
Answer: B
Q82. Which application below would be likely to use UDP?
A. Real-time audio application such as VoIP.
B. Web browser.
C. Email application.
D. Telnet.
Answer: A
Q83. Which of the following is an important advantage of protocol layering? (Choose two)
A. Controls distribution of IP addresses.
B. Simplifies protocol functionality.
C. Isolates changes in lower layers from upper layers.
D. Increases protocol operational efficiencies.
E. Layering adds to the fragmentation of the data
Answer: C,D
Q84. Which statement best describes a VPRN service?
A. From the customers perspective it looks as if all sites are connected by the same set of dark fibers.
B. From the customers perspective it looks as if all sites are connected to a private switched network administered by the service provider.
C. From the customers perspective it looks as if all sites are connected to a private routed network administered by the service provider.
D. From the customers perspective it looks as if all sites have public internet access administered by the service provider.
Answer: C
Q85. What information is used to separate VLANs on a VLAN trunk that connects multiple VLANs?
A. VLAN tag.
B. IP Header.
C. FCS.
D. Priority Value.
Answer: A
Q86. What must occur for a LAG to become operational?
A. There must be multiple ports assigned to the LAG.
B. All ports in the LAG must be configured with the same characteristics.
C. Auto-negotiation must be enabled on all ports in the LAG.
D. All of the above.
Answer: B
Q87. Which of the following statements is TRUE about ICMP?
A. An IP datagram is encapsulated within an ICMP header.
B. ICMP messages can only be generated by routers.
C. ICMP messages are encapsulated within an IP datagram.
D. ICMP guarantees delivery of a message.
Answer: C
Q88. What is the basic unit of framing in SONET and the bit rate for its transmission?
A. STS-1 with a bit rate of 1.544 Mbit/s
B. STS-1 with a bit rate of 2.048 Mbit/s
C. STS-1 with a bit rate of 51.84 Mbit/s
D. STS-1 with a bit rate of 155.52 Mbit/s
Answer: C