Paper 2 CS · UNIT 09 · MOCK TEST

Mock 11 – Wireless, Mobile & Network Security (Part 1)

Unit 9: Data Communication and Computer Networks · 22 questions · about 26 minutes. Press End Mock any time to see your score and the correct answers.

All 13 topic-wise mocks in this unit

0 / 22 answered 00:00

Q1. Which of the following technologies enables the creation of virtual servers in a cloud computing environment?

ADNS Server BHypervisor CFirewall DLoad Balancer

Q2. Match List I with List II

List I	List II
A. Digital Signature	I. Asymmetric encryption algorithm.
B. Hash Function	II. Confirms authenticity and integrity.
C. AES	III. Produces a fixed-size digest.
D. RSA	IV. Symmetric encryption algorithm.

AA-II, B-III, C-I, D-IV BA-II, B-III, C-IV, D-I CA-III, B-II, C-I, D-IV DA-IV, B-II, C-I, D-III

Q3. Arrange the process of virtualization in cloud environments.
A. Hypervisor installed on physical server
B. Virtual machines created
C. Resources allocated to Virtual machines
D. Virtual machines run isolated workloads
Choose the correct answer from the options given below:

AB, C, A, D BA, B, C, D CA, C, B, D DB, C, D, A

Q4. Which of the following statements is/are TRUE about encryption techniques?
A. In symmetric key cryptography, the secrecy/protection of the key generating function must be of higher level than the decrypting function.
B. The DES technique works by taking a 64 bit chunk value and 56 bit key over a series of transformations.
C. The Twofish symmetric block algorithm works on variable key length of up to 196 bits over a block of 128 bits.
D. RC4 is the most commonly used stream cipher that encrypts & decrypts a stream of bits/bytes instead of blocks.
Choose the correct answer from the options given below:

AB, C Only BA, D Only CA, C Only DB, D Only

Q5. Which of the following are key features of Mobile Adhoc Networks (MANETs)?
A. Self-organizing and decentralized.
B. High mobility of nodes.
C. Requires fixed infrastructure for operation.
D. Network topology is dynamic and constantly changing.
E. It requires a central controller to manage network traffic.
Choose the correct answer from the options given below:

AA, B & E only BB, C, D & E only CA, B & D only DA, B & C only

Q6. The primary function of a firewall in network security is

ATo monitor network traffic and detect anomalies. BTo create virtual private networks for secure communication. CTo filter incoming and outgoing network traffic based on security rules. DTo encrypt data before transmission.

Q7. Match List I with List II

List I	List II
A. Service Level Agreement	I. The technology that connects and enables communication between physical devices over the Internet.
B. Virtualization	II. A development environment provided over the Internet to create and deploy applications.
C. Internet of Things	III. Contracts that specify performance standards and services availability.
D. Platform as a Service	IV. A method allowing multiple operating systems to run on a single physical server.

AA-III, B-II, C-I, D-IV BA-III, B-IV, C-I, D-II CA-III, B-I, C-IV, D-II DA-I, B-IV, C-III, D-II

Q8. Hash functions are used to produce message digests which are then encrypted with a private key to get:

APublic key BDigital signature CCipher text DData Encryption Standard

Q9. Match List I with List II

List I	List II
(a) Monoalphabetic cipher	(I) Round key
(b) DES	(II) One-to-many relationship
(c) Stream cipher	(III) One-to-one relationship
(d) Polyalphabetic cipher	(IV) Feedback mechanism

A(a)-(III), (b)-(I), (c)-(IV), (d)-(II) B(a)-(III), (b)-(IV), (c)-(II), (d)-(I) C(a)-(I), (b)-(III), (c)-(IV), (d)-(II) D(a)-(II), (b)-(I), (c)-(IV), (d)-(III)

Q10. Match List I with List II

List I	List II
A. CDMA	I. Provides mobile internet connection with faster data transfer rates
B. GSM	II. Allows users to connect to a network or to other devices over a wireless channel
C. UMTS	III. Access mechanism for multiple transmitters over a single channel
D. WiFi	IV. Cellular technology employing a hybrid of FDMA and TDMA

AA-III, B-IV, C-II, D-I BA-III, B-IV, C-I, D-II CA-II, B-III, C-IV, D-I DA-II, B-I, C-IV, D-III

Q11. Arrange the following steps of RSA key generation in the correct order:
A. Choose an integer e such that 1 < e < λ(n)
B. Compute n = p × q
C. Find d ≡ e⁻¹ (mod λ(n))
D. Choose two large prime numbers p and q
E. Compute λ(n)
Choose the correct answer from the options given below:

AA-B-C-D-E BD-C-B-E-A CD-B-E-A-C DA-B-D-E-C

Q12. Match List I with List II.
Choose the correct answer from the options given below:

List I	List II
a. CDMA	I. Provides mobile internet connection with faster data transfer rates
b. GSM	II. Allows users to connect to a network or to other devices over a wireless channel
c. UMTS	III. Access mechanism for multiple transmitters over a single channel
d. Wi-Fi	IV. Cellular technology employing a hybrid of FDMA and TDMA

Aa-III, b-IV, c-II, d-I Ba-III, b-IV, c-I, d-II Ca-II, b-III, c-IV, d-I Da-II, b-I, c-IV, d-III

Q13. Using the RSA algorithm, if p = 13, q = 5 and e = 7, the value of d and the cipher value of '6' with the (e, n) key are

A7, 4 B7, 1 C7, 46 D55, 1

Q14. Which mode is a block-cipher implementation acting as a self-synchronising stream cipher?

ACipher Block Chaining mode BCipher Feedback mode CElectronic Codebook mode DOutput Feedback mode

Q15. Match List I with List II.
Choose the correct answer from the options given below:

List I	List II
A. DES	I. Key size – 256
B. AES	II. Key size – 1024
C. 3DES	III. Key size – 56
D. RSA	IV. Key size – 168

AA-I, B-II, C-IV, D-III BA-III, B-I, C-IV, D-II CA-III, B-IV, C-II, D-I DA-IV, B-II, C-III, D-I

Q16.

Match List I with List II

AA-II, B-III, C-I, D-IV BA-II, B-III, C-IV, D-I CA-II, B-IV, C-III, D-I DA-IV, B-III, C-I, D-II

Q17.

Match List I with List II

AA-II, B-III, C-I, D-IV BA-II, B-III, C-IV, D-I CA-III, B-II, C-I, D-IV DA-IV, B-II, C-I, D-III

Q18.

Which of the following are key features of Mobile Adhoc Networks (MANETs)

A. Self - Organizing and decentralized.

B. High Mobility of nodes.

C. Requires fixed Infrastructure for operation.

D. Network Topology is dynamic and constantly changing.

E. It requires a central controller to manage network traffic.

AA, B & E only BB, C, D & E only CA, B & D only DA, B & C only

Q19.

The primary function of firewall in network security is

Q20.

Match the LIST-I with LIST-II

C. Internet of III. Contracts that Things specify performance standards and services availability. A method allowing multiple Platform as a

D. IV. operating service system to run on a single physical server.

AA-III, B-II, C-I, D-IV BA-III, B-IV, C-I, D-II CA-III, B-I, C-IV, D- I DA-I, B-IV, C-III, D-II

Q21.

Match List - I with List - II.

A(a)-(III), (b)-(I), (c)-(IV), (d)-(II) B(a)-(III), (b)-(IV), (c)-(II), (d)-(I) C(a)-(I), (b)-(III), (c)-(IV), (d)-(II) D(a)-(II), (b)-(I), (c)-(IV), (d)-(III)

Q22.

Match List I with List II

AA-III B-IV C-II D-I BA-III B-IV C-I D-II CA-II B-III C-IV D-I DA-II B-I C-IV D-III

Next: Mock 12 – Wireless, Mobile & Network Security (Part 2) →