Description : Which of the following are the solutions to network security? i) Encryption ii) Authentication iii) Authorization iv) Non-repudiation A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv
Last Answer : Which of the following are the solutions to network security? i) Encryption ii) Authentication iii) Authorization iv) Non-repudiation A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv
Description : ………… is to protect data and passwords. A) Encryption B) Authentication C) Authorization D) Non-repudiation
Last Answer : A) Encryption
Last Answer : D) All i, ii, iii and iv
Description : On the upper layer of SSL, a protocol for initial authentication and transfer of encryption keys, called the ………………… A) SSL handshake protocol B) SSL authentication protocol
Last Answer : A) SSL handshake protocol
Description : The................is used to provide integrity check, authentication and encryption to IPdatagram. A) SSL B) ESP C) TSL D) PSL
Last Answer : B) ESP
Description : At the lower layer of SSL, a protocol for transferring data using a variety of predefined cipher and authentication combinations called the ………………. A) SSL handshake protocol B) SSL authentication protocol C) SSL record protocol D) SSL cipher protocol
Last Answer : C) SSL record protocol
Description : The primary goal of the......................protocol is to provide a private channel between communicating application, which ensures privacy of data authentication of the partners, and integrity. A) SSL B) ESP C) TSL D) PSL
Last Answer : A) SSL
Description : Write the name of layers that perform the following functions in OSI : I. Data Encryption II. Error Correction III. File Transfer IV. Data Encoding
Last Answer : 1. Data Encryption-Presentation Layer 2. Error Correction-Data link layer and Transport layer 3. File Transfer-Application layer 4. Data Encoding-Presentation layer
Description : Which among the following is correct about goals in cryptography: a) Confidentiality - Only an authorized recipient should be able to extract the contents of the message from its encrypted form. Resulting from steps ... not be able to deny sending the message e) None of These f) All of the Above
Last Answer : f) All of the Above
Description : In.................. Mode, the authentication header is inserted immediately after the IP header. A) Tunnel B) Transport C) Authentication D) Both A and B
Last Answer : A) Tunnel
Description : The components of IP security includes …………………. A) Authentication Header (AH) B) Encapsulating Security Payload (ESP) C) Internet key Exchange (IKE) D) All of the above
Last Answer : D) All of the above
Description : In the United Kingdom, the Regulation of Investigatory Powers Act gives UK police the powers to force suspects to _____that protect encryption keys: a) Hand over passwords b) Decrypt Files c) Both of Above d) None of These
Last Answer : c) Both of Above
Description : What is not a role of encryption? a)It is used to protect data from unauthorized access during transmission. b)It is used to ensure user authentication c)It is used to ensure data integrity d)It is used to ensure data corruption does not happens
Last Answer : d)It is used to ensure data corruption does not happens
Description : _____ is unauthorized access to or use of data, systems, server or networks including any attempt to probe scan or test the vulnerability of a system, server or network or to breach security or authentication ... the system, server or network: a) Hacking b) Cracking c) Viruses d) None of These
Last Answer : a) Hacking
Description : Which of the following techniques can be used for optimizing backed up data space? a) Encryption and Deduplication b) Compression and Deduplication c) Authentication and Deduplication d) Deduplication only
Last Answer : Compression and Deduplication
Description : Define what is Authentication and Authorization?
Last Answer : Authentication is the process of identifying users. Authentication is identifying/validating the user against the credentials (username and password). Authorization performs after authentication. Authorization ... on identity. Authorization allowing access to the specific resource to the user.
Description : A WAN typically spans a set of countries that have data ratesless than................ Mbps. A) 2 B) 1 C) 4 D) 100
Last Answer : B) 1
Description : The............ layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Last Answer : A) Physical
Description : In FDDI, data normally travel on ..................A) The primary ring B) The Secondary ring C) Both rings D) Neither ring
Last Answer : A) The primary ring
Description : In which OSI layers does the FDDI protocol operate? A) Physical B) Data link C) Network D) A and B
Last Answer : D) A and B
Description : Which layers of the OSI determines the interface often system with the user? A) Network B) Application C) Data link D) Session
Last Answer : B) Application
Description : The data unit in the TCP/IP layer called a ..... A) Message B) Segment C) Datagram D) Frame
Last Answer : D) Frame
Description : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) BaudC) Bits per second D) Both B and C
Last Answer : B) Baud
Description : The performance of data communications network depends on .............. A) Number of users B) The hardware and software C) The transmission D) All of the above
Description : In comparison to fingerprint identification machines and smart cards passwords are form of authentication. More robust Inexpensive Primitive All of the above?
Last Answer : In comparison to fingerprint identification machines and smartcards, passwords are ___________ form of authentication. Morerobust Inexpensive Primitive All of the above
Description : NAT limits the use of ………………….. and ……………… A. encryption, authentication. B. encryption, decryption C. encapsulation, translation D. authentication, verification
Last Answer : A. encryption, authentication.
Description : The _______ is used to provide integrity check, authentication, and encryption to IP datagram’s. A. UDP B. Transport layer C. ESP D. SSL
Last Answer : C. ESP
Description : On the upper layer of SSL, a protocol for initial authentication and transfer of encryption keys, called the ………………… A) SSL handshake protocol B) SSL authentication protocol C) SSL record protocol D) SSL cipher protocol
Description : The ……………. is used to provide integrity check, authentication and encryption to IP datagram. A) SSL B) ESP C) TSL D) PSL
Description : ..................mode is used whenever either end of a security association is gateway. A) Tunnel B) Encapsulating C) Transport D) Gateway
Description : In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii, ... iv and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Last Answer : D) All i, ii, iii, iv and v
Description : State whether the following statement are true. i) An application-level gateway is often referred to as a proxy. ii) In proxy, a direct connection is established between the client and destination server. A) True, False B) False, True C) True, True D) False, False
Last Answer : A) True, False
Description : While initiating SSL session, the client code recognizes the SSL request and establishes a connection through TCP Part.................to the SSL code on the server. A) 420 B) 1032 C) 443 D) 322
Last Answer : C) 443
Description : The............................. Is a collection of protocols designed by Internet Engineering TaskForce(IETF) to provide security for a packet at the Network level. A) IPsec B) Netsec C) Packetsec D) Protocolsec
Last Answer : A) IPsec
Description : In........................mode, a common technique in packet-switched networks consists of wrapping a packet in a new one. A) Tunneling B) Encapsulation C) Both A and B D) None of the above
Last Answer : C) Both A and B
Description : A ..................is an extension of an enterprise’s private intranet across a public Network such as the Internet across a public Network such as the Internet, creating a secure private connection. A) VNP B) VPN C) VSN D) VSPN
Last Answer : B) VPN
Description : State true or false. i) Socks are a standard for circuit level gateways. ii) The NAT is used for small number of the hosts in a private network. A) True, False B) False, True C) True, True D) False, False
Last Answer : C) True, True
Description : .................... is used to carry traffic of one protocol over network that does not support that protocol directly. A) Tunneling
Last Answer : A) Tunneling
Description : Which of the following is / are the types of firewall? A) Packet Filtering Firewall B) Dual Homed Gateway Firewall C) Screen Host Firewall D) All of the above
Description : A firewall is installed at the point where the secure internal network and untrusted external network meet which is also known as ……………… A) Chock point B) meeting point C) firewall point D) secure point
Last Answer : A) Chock point
Description : The following protocols and system are commonly used to provide various degrees of security services in computer network. i) IP filtering ii) Reverse Address Translation iii) IP security Architecture (IPsec) iv) Firewalls v) Socks A) ... v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Last Answer : B) i, iii, iv and v only
Description : A simple cabling method, known as the..................topology allows about 30 computers on a maximum cable length of about 600 feet. A) Ring B) Bus C) Star D) Mesh
Last Answer : Bus
Description : ............. is a set of information that is exchanged between a client and web browser and a web server during an HTTP transaction. A) infoset B) clientinfo C) cookie D) transkie
Last Answer : C) cookie
Description : Which of the following operations can be performed by using FTP. i) Connect to a remote host ii) Select directory iii) Define the transfer mode iv) List file available A) i, and ii only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii and iv
Description : FTP server listens to connections on port ……………………. A) 19 and 20 B) 20 and 21 C) 21 and 22 D) 20 and 22
Last Answer : B) 20 and 21
Description : The examples of Interior Gateway Protocols (IGP) are. i) Open Short Path First (OSPF) ii) Routing Information Protocol (RIP) iii) Border Gateway Protocol (BGP) A) i only B) i, and ii only C) i and iii only D) All i, ii and iii
Last Answer : B) i, and ii only
Description : Which of the following is not a mechanism that DHCP supports for IP address allocation? A) Automatic allocation B) Static allocation C) Dynamic allocation D) Manual allocation
Last Answer : B) Static allocation