Q. Which of the following file transfer protocols use TCP and establishes two virtual circuits between the local and remote server?

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Q. The threshold effect in demodulator is

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Q. The …………… field is the SNMP PDV reports an error in a response message.

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Q. End-to-End connectivity is provided from Last-to-Last in

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Q. What services does the internet layer provide?

1. Quality of service
2. Routing
3. Addressing
4. Connection oriented delivery
5. Framing bits

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Q. What is the maximum operating rate of a wireless LAN using infrared communication?

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Q. The cost of the network is usually determined by

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Q. A leased special high-speed connection from the local telephone carrier for business users that transmits at 1.544 mbps is known as ……………. carrier.

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Q. CDMA Cell uses …………… carriers of 1.25 MHz.

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Q. If in an error detection and correction code a message M : “You are good students” is stored as M' :

Youare areyou aregood goodare goodstudents studentsgood.

What is the space required to store M' in general? (assume that ‘n’ is the length of M)

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Q. Device on one network can communicate with devices on another network via a

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Q. What is the maximum window size in sliding window protocol used in a computer network?

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Q. Which of the following are Data Link Layer standard?

1. Ethernet
2. HSSI
3. Frame Relay
4. 10 – Base T
5. Token Ring

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Q. In case of Bus/Tree topology signal balancing issue is overcome by

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Q. Match the following :

List-I
(i) Ethernet
(ii) Token Ring
(iii) Cut-through switch
(iv) Spanning tree

List-I
(a) Deterministic
(b) Utilize the full wire speed
(c) Prevent looping
(d) Checking valid address

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Q. The single stage network is also called

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Q. Which technology is sometime referred to as wireless cable?

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Q. Another name of IEEE 802.11a is …………………

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Q. The unlicensed National Information Infrastructure band operates at the …………. frequency.

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Q. In order that a code is ‘t’ error correcting, the minimum Hamming distance should be:

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