Thursday, February 28, 2013

List of Top Social Exchange sites

List of Top Social Exchange sites
Top Social Exchange Sites

Social Networking sites like FaceBook, Twitter, YoutTube have grown day by day and become major part of the internet. Most of the internet user have account on such Social Networking sites and uses that sites. According to the Alexa after Google the most visited sites are FaceBook and YouTube, Twitter also comes after that. So good presence on Social Networking sites is most important for Search Engine Optimization(SEO) of any websites or blogs. For the strong presence in Social Networking Sites we can use Social Exchange sites. I have presented here a list of Top Social Exchange sites.


  1.  Addmefast:   It is the most used and top social exchange site in which you can exchange for most of the social networks like Facebook page like, Facebook share, Facebook post like, Twitter tweets, Twitter Re-tweets, Twitter Followers, Google Circle, YouTube views, YouTube likes, Pinterest like, Pinterest repin, Stumbler Followers, Soundcloud Followers and many more. You can add unlimited site for promotion. I recommended this site as the best Social Networking Exchange site. Register now for this Network and get 50 points registration bonus and 50 points daily bonus.  To register for this site Click Here.
  2.  ProSites: This is also one of the Social Network Exchange site. There are distinct site for the Google plus one, Twitter Follows, Twitter Re-tweets and Facebook like/YouTube like. In this site also you can promote unlimited number of sites or blogs. If you registered  for one service, can use other services by using the same username and password. To register for this site Click Here.
  3. GetLikesPro: This is the Social Network Exchange site currently giving the the service for the FaceBook Network and going to add the other services like Google Plus One, Twitter and YouTube. In this site also you can promote unlimited number of sites or blogs. To register for this site Click Here.

Wednesday, February 6, 2013

MCQ of Computer networking test with answer set-7

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


Tuesday, February 5, 2013

Solved MCQ of Computer Networking test set-6

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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Monday, February 4, 2013

MCQ of Internet Security with answer set-2

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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Thursday, January 31, 2013

MCQ of Computer Security with answer set – 2

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

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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Wednesday, January 30, 2013

Solved MCQ of Operating System Set-6

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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