What is the function of an LSR?

1. A. Label Switching Routers make switching decisions based on the original MAC Heade
2. B. Label Switching Routers make routing decisions based on the original IP Heade
3. C. Label Switching Routers make forwarding decisions based on the MPLS labe
4. D. Label Switching Routers make decisions based on ATM header informatio

Correct Answer: C

Which field in the TCP header is used by the receiver to indicate the number of segments it can receive?

1. A. Checksum
2. B. SYN
3. C. Destination port
4. D. Window size
5. E. MTU

Correct Answer: D

With a subnet mask of 255.255.255.224, which of the IP addresses below are valid host addresses? (Choose all that apply)

1. A. 17.23.119.63
2. B. 87.99.12.159
3. C. 95.11.22.93
4. D. 192.11.25.87

Correct Answer: CD

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

1. A. The Data Link Layer is responsible for encapsulating the packet into a frame for transmission on the transmission medi
2. B. The Data Link Layer is responsible for encapsulating the packet into an IP header and routing the packe
3. C. The Data Link Layer is responsible for formatting the packet for applications such as JPEG forma
4. D. The Data Link Layer is responsible for timing of the signals on the transmission media

Correct Answer: A

Which is the public AS in the diagram?

1. A. 65001
2. B. 65003
3. C. 2002
4. D. All of the abov
5. E. None of the abov

Correct Answer: C