CN Data Link Layer

Question 81

In electronic mail, which of the following protocols allows the transfer of multimedia messages?

• IMAP
• SMTP
• POP 3
• MIME

Question 82

Match the following port numbers with their uses:

• (1)
• (2)
• (3)
• (4)

Question 83

Which of the following is not associated with the session layer ?

• Dialog control
• Token management
• Semantics of the information transmitted
• Synchronization

Question 84

In CRC based design, a CRC Team consists of: 

(a)one or two users representatives 

(b)several programmers 

(c)project co-ordinators 

(d)one or two system analysts Codes:

• (a) and (c)

• (a), (b), (c) and (d)

• (a), (c) and (d)

• (a), (b) and (d)

Question 85

One SAN switch has 24 ports. All 24 supports 8 Gbps Fiber Channel technology. What is the aggregate bandwidth of that SAN switch?

• 96 Gbps
• 192 Mbps
• 512 Gbps
• 192 Gbps

Question 86

The address resolution protocol (ARP) is used for

• Finding the IP address from the DNS
• Finding the IP address of the default gateway
• Finding the IP address that corresponds to a MAC address
• Finding the MAC address that corresponds to an IP address

Question 87

Which of the following is a MAC address?

• 192.166.200.50
• 00056A:01A01A5CCA7FF60
• 568, Airport Road
• 01:A5:BB:A7:FF:60

Question 88

What is the primary purpose of a VLAN?

• Demonstrating the proper layout for a network
• Simulating a network
• To create a virtual private network
• Segmenting a network inside a switch or device

Question 89

Which of the following transmission media is not readily suitable to CSMA operation?

• Radio
• Optical fibers
• Coaxial cable
• Twisted pair

Question 90

In Ethernet, the source address field in the MAC frame is the _______ address.

• original sender\'s physical
• previous station\'s physical
• next destination\'s physical
• original sender\'s service port