MCQ of Computer networking test with answer set-7


1. 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

2. FTP server listens to connections on port …………………….
A) 19 and 20
B) 20 and 21
C) 21 and 22
D) 20 and 22


3. 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

4. A ………….. 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

5. Match the following HTTP status code to their respective definitions.
i) 400                                     a) OK
ii) 500                                    b)  Not found
iii) 200                                   c) Continue
iv) 100                                   d) Internal server error
A) i-b, ii-d, iii-a, iv-c
B) i-a, ii-b, iii-c, iv-d
C) i-b, ii-c, iii-a, iv-d
D) i-b, ii-a, iii-c, iv-d

6. Loopback address ……………………. of IPv6 address is equivalent to the IPV4 loopback address 127.0.0.1.
A) (: : 1)
B) (: : )
C) (: : 0)
D) (1 : : )

7. Unspecified address ………………….. of IPV6 address is equivalent to the IPV4 unspecified address 0.0.0.0.
A) (: : 1)
B) (: : )
C) (: : 0)
D) (1 : : )

8. 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

9. The ……………… layer is responsible for resolving access to the shared media or resources.
A) Physical
B) Mac sub layer
C) Network
D) Transport

10. A WAN typically spans a set of countries that have data rates less than ……………. Mbps.
A) 2
B) 1
C) 4
D) 100
Answers:
1.       B) i, and ii only
2.       B) 20 and 21
3.       D) All i, ii, iii and iv
4.       C) cookie
5.       A) i-b, ii-d, iii-a, iv-c
6.       A) (: : 1)
7.       B) (: : )
8.       B) Bus
9.       B) Mac sub layer
10.   B) 1


Solved MCQ of Computer Networking test set-6


1. ………………….. is a high performance fiber optic token ring LAN running at 100 Mbps over distances upto 1000 stations connected.
A) FDDI
B) FDDT
C) FDDR
D) FOTR   
     
2. Which of the following are Gigabit Ethernets?
A) 1000 BASE-SX
B) 1000 BASE-LX
C) 1000 BASE-CX
D) All of above

3. ………………….. is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbit/s against the original Ethernet speed of 10 Mbit/s.
A) Ethernet
B) Fast Ethernet
C) Gigabit Ethernet
D) All of the above

4. …………… is another kind of fiber optic network with an active star for switching.
A) S/NET
B) SW/NET
C) NET/SW
D) FS/NET

5. The combination of ……………. And ………….. is often termed the local address of the local portion of the IP address.
A) Network number and host number
B) Network number and subnet number
C) Subnet number and host number
D) All of the above

6. ………………….. implies that all subnets obtained from the same subnet mask.
A) Static subnetting
B) Dynamic subnetting
C) Variable length subnetting
D) Both B and C

7. State whether true or false.
i) A connection oriented protocol can only use unicast addresses.
ii) The anycast service is included in IPV6.
A) True, True
B) True, False
C) False, True
D) False, False

8. The most important and common protocols associated TCP/IP internetwork layer are.
i) Internet protocol(IP)                                  ii) Internet control Message Protocol(ICMP)
iii) Bootstrap Protocol (BooTP)                   iv) Dynamic Host Configuration Protocol (DHCP)
v) Address Resolution Protocol (ARP)
A) i, ii, iii and iv only
B) i, iii, iv and v only
C) ii, iii, iv and v only
D) All i, ii, iii, iv and v

9.  …………………….. is responsible for converting the higher level protocol addresses (IP addresses) to physical network addresses.
A) Address Resolution Protocol (ARP)
B) Reverse Address Resolution Protocol (RARP)
C) Bootstrap Protocol (BOOTP)
D) Internet Control Message Protocol (ICMP)

10. 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
Answers:
1.       A) FDDI
2.       D) All of above
3.       B) Fast Ethernet
4.       A) S/NET
5.       C) Subnet . host number
6.       A) Static subnetting
7.       A) True, True
8.       D) All i, ii, iii, iv and v
9.       A) Address …..(ARP)
10.   B) Static allocation


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MCQ of Internet Security with answer set-2


1.  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

2. The ……………. is used to provide integrity check, authentication and encryption to IP datagram.
A) SSL
B) ESP
C) TSL
D) PSL


3. 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

4. The …………………………. Is a collection of protocols designed by Internet Engineering Task Force(IETF) to provide security for a packet at the Network level.
A) IPsec
B) Netsec
C) Packetsec
D) Protocolsec

 5. 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

6. 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

7. 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

8. 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

9. 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, iii and iv only
B) i, iii, iv and v only
C) ii, iii, iv and v only
D) All i, ii, iii, iv and v

10. …………….. mode is used whenever either end of a security association is gateway.
A) Tunnel
B) Encapsulating
C) Transport
D) Gateway
Answers:
1.       A) SSL
2.       B) ESP
3.       C) Both A and B
4.       A) IPsec
5.       C) SSL record protocol
6.       C) 443
7.       A) SSL hand... protocol
8.       A) True, False
9.       D) All i, ii, iii, iv and v
10.   A) Tunnel


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Solved MCQ of Internet Security set-1


1. 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

2. …………… is to protect data and passwords.
A) Encryption
B) Authentication
C) Authorization
D) Non-repudiation


3. 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) i, ii, iii and iv only
B) i, iii, iv and v only
C) ii, iii, iv and v only
D) All i, ii, iii, iv and v

4. 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

5. 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

6. 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

7. ………………….. is used to carry traffic of one protocol over network that does not support that protocol directly.
A) Tunneling
B) Transferring
C) Trafficking
D) Switching

8. In ………………. Mode, the authentication header is inserted immediately after the IP header.
A) Tunnel
B) Transport
C) Authentication
D) Both A and B

9. 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

10. 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
Answers:
1.       D) All i, ii, iii and iv
2.       A) Encryption
3.       B) i, iii, iv and v only
4.       A) Chock point
5.       D) All of the above
6.       D) All of the above
7.       A) Tunneling
8.       A) Tunnel
9.       C) True, True
10.   B) VPN


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MCQ of Computer Security with answer set – 2


1. …………….. are used in denial of service attacks, typically against targeted web sites.
A) Worm
B) Zombie
C) Virus
D) Trojan horse

2. Select the correct order for the different phases of virus execution.
i) Propagation phase                      ii) Dormant phase
iii) Execution phase                         iv) Triggering phase
A) i, ii, iii, and iv
B) i, iii, ii and iv
C) ii, i, iv an iii
D) ii, iii, iv and i


3. A ………………… attaches itself to executable files and replicates, when the infected program is executed, by finding other executable files to infect.
A) Stealth virus
B) Polymorphic Virus
C) Parasitic Virus
D) Macro Virus

4. …………………….. is a form of virus explicitly designed to hide itself from detection by antivirus software.
A) Stealth virus
B) Polymorphic Virus
C) Parasitic Virus
D) Macro Virus

5. A …………………….. creates copies during replication that are functionally equivalent but have distinctly different bit patterns.
A) Boot Sector Virus
B) Polymorphic Virus
C) Parasitic Virus
D) Macro Virus

6. A portion of the Polymorphic virus, generally called a …………………….. , creates, a random encryption, key to encrypt the remainder of the virus.
A) mutual engine
B) mutation engine       
C) multiple engine
D) polymorphic engine

7. State whether the following statement is true.
i) A macro virus is platform independent.
ii) Macro viruses infect documents, not executable portions of code.
A) i-only
B) ii-only
C) Both i and ii
D) Non i and ii

8. The type(s) of auto executing macros, in Microsoft word is/are
A) Auto execute
B) Auto macro
C) Command macro
D) All of the above

9. In …………….., the virus places an identical copy of itself into other programs or into certain system areas on the disk.
A) Dormant phase
B) Propagation phase
C) Triggering phase
D) Execution phase

10. A ……………… is a program that secretly takes over another Internet-attached computer and then uses that computer to launch attacks.
A) Worm
B) Zombie
C) Virus
D) Trap doors
Answers:
1.       B) Zombie
2.       C) ii, i, iv an iii
3.       C) Parasitic Virus
4.       A) Stealth virus
5.       B) Polymorphic Virus
6.       B) mutation engine
7.       C) Both i and ii
8.       D) All of the above
9.       B) Propagation phase
10.   B) Zombie


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Solved MCQ of Computer Security set -1


1. In computer security, ……………………. means that computer system assets can be modified only by authorized parities.
A) Confidentiality
B) Integrity
C) Availability
D) Authenticity

2. In computer security, …………………….. means that the information in a computer system only be accessible for reading by authorized parities.
A) Confidentiality
B) Integrity
C) Availability
D) Authenticity


3. The type of threats on the security of a computer system or network are ……………………..
i) Interruption                   ii) Interception                  iii) Modification
iv) Creation                         v) Fabrication
A) i, ii, iii and iv only
B) ii, iii, iv and v only
C) i, ii, iii and v only
D) All i, ii, iii, iv and v

4. Which of the following is independent malicious program that need not any host program?
A) Trap doors
B) Trojan horse
C) Virus
D) Worm

5. The ……….. is code that recognizes some special sequence of input or is triggered by being run from a certain user ID of by unlikely sequence of events.
A) Trap doors
B) Trojan horse
C) Logic Bomb
D) Virus

6. The …………….. is code embedded in some legitimate program that is set to “explode” when certain conditions are met.
A) Trap doors
B) Trojan horse
C) Logic Bomb
D) Virus

7. Which of the following malicious program do not replicate automatically?
A) Trojan Horse
B) Virus
C) Worm
D) Zombie

8. …………… programs can be used to accomplish functions indirectly that an unauthorized user could not accomplish directly.
A) Zombie
B) Worm
C) Trojan Horses
D) Logic Bomb

9. State whether true of false.
i) A worm mails a copy of itself to other systems.
ii) A worm executes a copy of itself on another system.
A) True, False
B) False, True
C) True, True
D) False, False

10. A ………….. is a program that can infect other programs by modifying them, the modification includes a copy of the virus program, which can go on to infect other programs.
A) Worm
B) Virus
C) Zombie
D) Trap doors
Answers:
1.       B) Integrity
2.       A) Confidentiality
3.       C) i, ii, iii and v only
4.       D) Worm
5.       A) Trap doors
6.       C) Logic Bomb
7.       A) Trojan Horse
8.       C) Trojan Horses
9.       C) True, True
10.   B) Virus


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Solved MCQ of Operating System Set-6


1. …………. Involves treating main memory as a resource to be allocated to and shared among a number of active processes.
A) Partition management
B) Memory management
C) Disk management
D) All of the above

2. A process that execute only in main memory is referred to as ……………… and that allocated in disk is referred to a …………….
A) virtual memory, true memory
B) virtual memory, real memory
C) real memory, virtual memory
D) imaginary memory, real memory


3. In process scheduling, …………………… determines when new processes are admitted to the system.
A) long term scheduling
B) medium term scheduling
C) short term scheduling
D) none of the above

4. In process scheduling, ………………… determines which ready process will be executed next by processor.
A) long term scheduling
B) medium term scheduling
C) short term scheduling
D) none of the above

5. The sum of the seek time, and the rotational delay is called the ………………..
A) reached time
B) access time
C) arrived time
D) common time

6. The …………….. policy segments the disks request queue into sub queues of the length N.
A) SCAN
B) C-SCAN
C) N-Step SCAN
D) FSCAN

 7. Which of the following are the functions of operating system?
i) recovering from errors                              ii) facilitating input/output
iii) facilitating parallel operation                 iv) sharing hardware among users
v) implementing user interface
A) i, ii, ii, and v only
B) i, ii, iii, and iv only
C) ii, iii, iv and v only
D) All i, ii, iii, iv and v

8. File management function of the operating system includes
i) File creation and deletion                         ii) Disk scheduling
iii) Directory creation                                      iv) Mapping file in secondary storage.
A) i, ii and iii only
B) i, iii and iv only
C) ii, iii and iv only
D) All i, ii, iii and iv

9. The ……………. Determines when a page should be brought into main memory.
A) Fetch policy
B) Placement policy
C) Replacement policy
D) Resident set management

10. With …………………. A page is written out to secondary memory only when it has been selected for replacement.
A) pre-cleaning
B) demand cleaning
C) required cleaning
D) fast cleaning
Answers:
1.       B) Memory management
2.       C) real . virtual memory
3.       A) long term scheduling
4.       C) short term scheduling
5.       B) access time
6.       C) N-Step SCAN
7.       D) All i, ii, iii, iv and v
8.       B) i, iii and iv only
9.       A) Fetch policy
10.   B) demand cleaning

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