Q. DHCP stands for:

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Q. Hidden terminals in a wireless network may cause:

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Q. In a CDMA system, a code for a certain system should have:

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Q. Vignere Cipher is a kind of:

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Q. A point to point link that supports data flowing in only one direction at a time

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Q. A networking device used to connect similar types of LANs

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Q. Not an example of a network debugging utility:

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Q. A secure protocol for personal emails:

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Q. A technique in which system resources are shared among multiple users:

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Q. The number of bits that can be transmitted over a network in a certain period of time:

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Q. A network topology that combines features of linear bus and star topology:

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Q. The science and art of breaking ciphers

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Q. Process of mapping a network interface IP address to its hardware address:

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Q. The local area network technology used in Ethernet

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Q. Match the following Secret Key Algorithms (List I) with Corresponding Key Lengths (List II) and choose the correct answer from the code given below:

List I List II
(a) Blowfish (i) 128 – 256 bits
(b) DES (ii) 128 bits
(c) IDEA (iii) 1 - 448 bits
(d) RC5 (iv) 56 bits

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Q. The four byte IP address consists of

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Q. Consider ISO-OSI network architecture reference model. Session layer of this model offers dialog control, token management and .................. as services.

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Q. Which of the following statement/s is/are true?

(i) Firewalls can screen traffic going into or out of an organization.
(ii) Virtual private networks can stimulate an old leased network to provide certain desirable properties.

Choose the correct answer from the code given below:

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Q. A host is connected to a department network which is part of a university network. The university network, in turn, is part of the Internet. The largest network, in which the Ethernet address of the host is unique, is

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Q. An Internet Service Provider (ISP) has following chunk of CIDR-based IP addresses available with it :245.248.128.9./20. The ISP wants to give half of this chunk of addresses to organization A and a quarter to organization B while retaining the remaining with itself. Which of the following is a valid allocation of addresses to A and B?

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