Question 1.
The use of PIM as a multicast routing protocol provides for which one of the following services?

A. Authentication
B. Guaranteed Delivery
C. Device Security
D. Preventing packet forwarding loops
E. Preventing Denial of Service attacks

Answer: D

Question 2.
An end station receiving a broadcast packet will always process the data up to which layer of the OSI stack?

A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 7

Answer: C

Question 3.
Choose the answer that best completes the statement: An end station on an Ethernet network receiving an IP multicast packet will:

A. Determine at Layer 1 if it is interested in the frame
B. Determine at Layer 2 if it is interested in the frame
C. Determine at Layer 2 after reading the protocol ID field if it is interested in the frame
D. Determine at Layer 3 if it is interested in the frame
E. Determine at Layer 7 if it is interested in the frame

Answer: B

Question 4.
Which of the following are characteristics of the one to many model of multicast data delivery? (Choose two)

A. Receivers are generally unknown by the source
B. Well suited for applications in which the receivers provide feedback to each other and the 
    source
C. There is a single data flow, from the source to the receivers
D. All devices are potentially capable of generating multicast data
E. Receivers are generally known by each other since any receiver may be a source

Answer: A, C

Question 5.
The OUI field of the MAC address for IP multicast frames is:

A. 00-01-5e
B. 01-01-53
C. 01-01-5e
D. 01-00-5e
E. 01-00-53

Answer: D

Question 6.
Which MAC address will multicast address 224.128.0.1 translate to?

A. 01-00-5e-80-00-01
B. 01-00-5e-22-41-40
C. 01-00-5e-22-28-01
D. 00-01-5e-80-00-01
E. 01-00-5e-00-00-01
F. 01-01-5e-22-28-01

Answer: E

Question 7.
Which two of the following addresses should not be used in a multicast network at the same time?

A. 233.44.12.35
B. 234.45.12.35
C. 235.46.12.35
D. 236.174.12.35
E. 237.171.12.35

Answer: C, D

Question 8.
Which MAC address will the IP multicast address 239.33.42.107 translate to?

A. 01-00-5e-a1-2a-6b
B. 01-00-5e-21-2a-6b
C. 01-00-5e-21-2c-6c
D. 00-01-5e-a1-2a-6b
E. 00-01-5e-21-2a-6b
F. 01-01-5e-a1-2a-6b

Answer: B

Question 9.
What is the range of addresses allocated for SSM?:

A. 239.0.0.0/8
B. 233.x.y.0/24
C. 224.0.0.0/24
D. 232.0.0.0/8

Answer: D

Question 10.
How many bits of the IP multicast address are copied directly to the multicast MAC address?

A. 27
B. 5
C. 28
D. 9
E. 23

Answer: E

Question 11.
Which protocol uses multicast address 224.0.0.22?:

A. PIM version 1
B. IGMP version 2
C. OSPF
D. IGMP version 3
E. PIM version 2

Answer: D

Question 12.
Which two of the following addresses should not be used in a multicast network at the same time?

A. 224.192.12.35
B. 235.182.12.35
C. 226.172.12.35
D. 237.138.12.35
E. 238.64.12.35

Answer: A, E

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