Misc Topics in Computer Networks

Question 31

What is the maximum number of characters (7 bits + parity ) that can be transmitted in a second on a 19.2 kbps line. This asynchronous transmission requires 1 start bit and 1 stop bit.

• 192
• 240
• 1920
• 1966

Question 32

Which of the following is not provided as a service in cloud computing?

• Infrastructure as a service
• Architecture as a service
• Software as a service
• Platform as a service

Question 33

The encoding technique used to transmit the signal in giga ethernet technology over fiber optic medium is

• Differential Manchester encoding
• Non return to zero
• 4B/5B encoding
• 8B/10B encoding

Question 34

The network protocol which is used to get MAC address of a node by providing IP address is

• SMTP
• ARP
• RIP
• BOOTP

Question 35

In which layer of network architecture, the secured socket layer (SSL) is used?

• physical layer
  

• session layer
  

• application layer
  

• presentation layer
  

Question 36

The hamming distance between the octets of 0xAA and 0x55 is

• 7
• 5
• 8
• 6

Question 37

Lightweight Directory Access protocol is used for

• Routing the packets
• Authentication
• obtaining IP address
• domain name resolving

Question 38

Which of these is not a feature of WAP 2.0

• Push and Pull Model
• Interface to a storage device
• Multimedia messaging
• Hashing

Question 39

Which one of the following is used to compute cyclomatic complexity?

• The number of regions – 1
• E – N + 1, where E is the number of flow graph edges and N is the number of flow graph nodes.
• P – 1, where P is the number of predicate nodes in the flow graph G.
• P + 1, where P is the number of predicate nodes in the flow graph G.

Question 40

Consider the following statements S1 and S2: S1 : A hard handover is one in which the channel in the source cell is retained and used for a while in parallel with the channel in the target cell. S2 : A soft handover is one in which the channel in the source cell is released and only then the channel in the target cell is engaged.

• S1 is true and S2 is not true.
• S1 is not true and S2 is true.
• Both S1 and S2 are true.
• Both S1 and S2 are not true.