1.
The commands, from client to server, and replies, from server to client, are sent across the control connection in ____ bit ASCII format
Answer: Option 'B'
7
2.
Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
Answer: Option 'A'
7 slots
3.
If the client receives an address from a DHCP server, what is the only information available in the Network Properties dialog box?
Answer: Option 'C'
That the client is receiving its address from DHCP
4.
The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as
Answer: Option 'D'
128.10.2.30
5.
With an IP address starting at 200, you currently have 10 subnets. What subnet mask should you use to maximize the number of available hosts?
Answer: Option 'C'
240
6.
User agent does not support this
Answer: Option 'D'
All of the mentioned
7.
If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is
Answer: Option 'B'
3200 bands
8.
Which of the following is a security protocol designed to provide a wireless LAN with better security and privacy?
Answer: Option 'A'
WAP
9.
When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system?
Answer: Option 'B'
Log-on procedure
10.
The CCITT Recommendation X.25 specifies three layers of communications:
Answer: Option 'B'
physical datalink and network
11.
In the IPv6 header,the traffic class field is similar to which field in the IPv4 header?
Answer: Option 'B'
ToS field
12.
In Wireless LAN's, a time interval between two frames to control access to the channel is called _____
Answer: Option 'A'
Interframe space
13.
In OSI model, as the data packet moves from the upper to the lower layers, headers are _______
Answer: Option 'A'
added
14.
Which of the following communications service provides message preparation and transmission facilities?
Answer: Option 'A'
Teletex
15.
Automatic repeat request error management mechanism is provided by
Answer: Option 'A'
logical link control sublayer
16.
Which of the following is used for modulation and demodulation?
Answer: Option 'B'
Multiplexer
17.
An internetworking protocol that provides virtual circuit service across multiple X.25 protocol, is
Answer: Option 'A'
X.75
18.
A SMTP session may include
Answer: Option 'D'
all of the mentioned
19.
The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as
Answer: Option 'D'
128.10.2.30
20.
Which of the following is not correct?
Answer: Option 'A'
Web cache does not has its own disk space