Featured post

IBPS SO IT TRICKS TO GET FULL MARKS

JOIN GROUP-  https://www.facebook.com/groups/bankibpssoit/ If you wish to get full marks in IBPS SO IT . We will provide you the gui...

Showing posts with label networking. Show all posts
Showing posts with label networking. Show all posts

Automatic Private IP Addressing


Non-Routable (Private) IP


Simple Network Management Protocol (SNMP)


Post Office Protocol version 3 (POP3)


Internet Message Access Protocol (IMAP)


SSID


Network Time Protocol (NTP)


Gopher protocol


media access control address (MAC address)


server-side include


host


IBPS - IT - SO - 2016-14 February Shift - 2 - Question Answers - with - Book Link - Explanation - Tricks

1. In ______all records contain the same data items with the same amount of space assigned to each data item. 
(A) Finite records 
(B) Fixed length records 
(C) Indexed records 
(D) Variable length records 
(E) Uniform records 

2. Databases are managed with–
(A) Roles
 (B) Hardware
 (C) Hardware and Roles 
(D) Programming 
(E) Software

3. Which action is used to display the context menu and the mini toolbar ? 
(A) Double-click
 (B) Move pointer 
(C) Scroll 
(D) Left-click 
(E) Right-click

4. The file extension for an office 2013 Word Template is–
(A) .doc 
(B) .docx
(C) .dotx
(D) .nf 
(E) .temp 

5. TCP and UDP reside at which layer of the OSI model ? 
(A) Data link 
(B) Session 
C) Network 
(D) Transport 
(E) Presentation 

6. A computer containing programs that collectively serve the needs of a large group rather than that of a single user or specialized application is termed ………. 
(A) Complex instruction set computer
 (B) Terminal server 
(C) Web server 
(D) Central Processing Unit 
E) Enterprise server 

7. The virus that attaches itself to macros is called– 
(A) Email virus 
(B) Micro virus 
(C) Trojan horse
 (D) Time bomb 
(E) Macro virus 

8. Which of the following is considered a connection- oriented protocol ? 
(A) ARP 
(B) ICMP 
(C) UDP
 (D) UDP and ARP
 (E) TCP 


9. ………. settings for each user of the database are held within the data dictionary.
(A) View 
(B) Language
(C) Data manipulation 
(D) Browser 
(E) Schema object

10. What is a MAC address in an Ethernet network? 
(A) The address assigned by DHCP 
(B) A TCP/IP address 
(C) A logical address created by the network administrator 
(D) A logical address which is subnet specific 
(E) The physical address assigned by the NIC manufacturer 

11. Malicious software is known as– 
(A) Malware 
(B) Badware 
(C) Maliciousware
 (D) Illegalware 
(E) Disasterware

12. Which of the following refers to a group of terminals or workstations attached to a common control unit or server(s) that share work and may be able to back each other up if one server fails ? 
(A) Cluster 
(B) Serverless backup 
(C) Logical unit 
(D) Attached resource computer network 
(E) Channel bank 

13. The network database model allows each data element to have–
(A) Multiple parent and child records 
(B) Multiple parents records and multiple children records 
(C) Single parent record 
(D) Multiple parents records 
(E) Multiple children records 

14. What value must a C++ destructor return ? 
(A) Destructors do not return a value 
(B) An object of the class 
(C) A status code determining whether the class was destructed correctly 
(D) A pointer or status code 
(E) A pointer to the class 

15. When two people collaborate on an online document at the same time, they are collaborating–
(A) Synchronously 
(B) By Tracking 
(C) In Cloud Edit 
(D) Asynchronously 
(E) Independently 

16. A ………. is a field that links all the data within a record to a unique value. 
(A) Cell
 (B) Attribute 
(C) Primary key 
D) Tuple 
(E) Foreign key 

17. The term internetworking is related to which layer . of the OSI model? 
(A) Presentation layer 
(B) Network layer 
(C) Session layer 
(D) Data link layer 
(E) Application layer 

18. ………. provides a formal method of representing data in a conceptual form and provides the necessary means of manipulation the data held within the database. 
(A) Domain main server 
(B) Web base model 
(C) Operating system 
(D) Database model 
(E) Client server model
[ A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated.]

19. Which among the following is used to write small programs to control Unix functionalities ? 
(A) Shell Commands 
(B) C Language 
(C) Shell script 
(D) Filters 
(E) Special script
[A shell script is a text file that contains a sequence of commands for a UNIX-based operating system.]

20. What is PPP used for? 
(A) It is used to provided communication between two computers. 
(B) It is used to assign IP address. 
(C) It is used to send packets of data from one. "computer system to the other. 
(D) It is used to provide communication between two computers over a serial cable. 
(E) It is used to join two networks over a serial port. 

[ The point-to-point protocol was developed specifically for network connections via serial channels and has asserted itself as the standard for connections between routers.]

21. Which class IP addresses were designed for large networks ? 
(A) B 
(B) A 
(C) D 
(D) C 
(E) E 

22. A round button that you click to select one option from a list of options is called–
(A) A submit button
(B) A radio button 
(C) A tab 
(D) A hyperlink 
(E) A checkpoint 

23. Hierarchical databases are useful for mapping–
(A) Other than those given as options 
(B) One to one 
(C) Many to many 
(D) One to one and many to many 
(E) One to many 
[the hierarchical model uses Parent Child Relationships. These are a 1:N mapping between record types.]

24. Which of the following protocols is an example of TCP/IP data link layer protocols? 
(A) IP 
(B) HTTP 
(C) SMTP 
(D) Ethernet 
(E) UDP

25. In Java, when overriding a predefined method, both the original method and the new method must have the same–
(A) method inheritance 
(B) method body 
(C) method signature 
(D) parameter names 
(E) method signature and inheritance 

26. The feature that opens a window on your desktop where you can browse for file stored on your computer is called– 
(A) The Display Option 
(B) The Start page 
(C) The Control Panel 
(D) The Desktop Portal 
(E) The File Explorer 

27. A value a field will assume unless an explicit value is entered for that field best defines–
(A) designated value 
(B) normalized value
(C) default value 
(D) replicated value 
(E) assigned value

28. A computer host or small network inserted as a 'neutral zone' between a company's private network and the outside public network is called–
(A) sheep dip computer 
(B) VPN 
(C) firewall 
(D) man in the middle 
E) DMZ

29. In object-oriented databases, when your application queries for some data, what is returned is–
(A) data only 
(B) codes 
(C) output 
(D) data and code (CISSP All-in-One Exam Guide)
(E) objects and classes 

30. Data dictionary is a tool used to centrally manage parts of a database by controlling ………. within the database. 
(A) Portion of data 
(B) Programming 
(C) Keys 
(D) Metadata 
(E) Figures 

31. Which of the following is the least secure communications protocol? 
(A) EAP and PAP
 (B) CHAP 
(C) EAP 
(D) IPsec 
(E) PAP

32. Which among the following interacts directly with system hardware? 
(A) Applications 
(B) Kernel 
(C) Shell 
(D) Commands 
(E) Core space 


33. Partition defined by non-overlapping ranges of values for a specified attribute best describes–
(A) continuous partitioning 
(B) composite partitioning 
(C) hash partitioning 
(D) range partitioning 
(E) transitive partitioning 

34. Which method of conversion to a new system is, the highest risk and the lowest cost (assuming all goes well) ? 
(A) Phased
(B) Direct 
(C) Parallel 
(D) Focused 
(E) Pilot 

35. To select multiple non-contiguous folders or files to copy or move them, which key is used in Windows? 
(A) Ctrl 
(B) Alt 
(C) Scroll Lock 
(D) Tab 
(E) Shift 

36. One way to open the Help menu quickly is to press ………. shortcut key. 
(A) F2
(B) F12 
(C) Windows 
(D) F6 
(E) F1

37. Java software was designed–
(A) to make writing Web pages easy for the new user. 
(B) to run on any computer or computing device regardless of its operating system. 
(C) to make software development appear complex. 
(D) as a new platform for the Internet. 
(E) to be downloaded from the Internet as required.


38. Which of the following is not one of the four types of database access? 
(A) Compressed
 (B) Public 
(C) Distributed
 (D) Shared 
(E) Individual


39. Which of the following statements is false? 
(A) Unix supports multiple users.
 (B) Shell takes care of inter process communication. 
(C) Unix and Linux are operating systems. 
(D) Linux is an open-source operating system and the source code is shared 
(E) Shell provides the feature of I/O redirection. 


40. Which of the following enables multi-tasking in UNIX ? 
(A) Multi programming 
(B) Time sharing 
(C) Modularity 
(D) Multi-utility 
(E) Multi-user 

41. Which is the core of the operating system? 
(A) Script 
(B) Commands 
(C) Shell 
(D) Core space
(E) Kernel 

42. If every non-primary key attribute is functionally dependent on the whole primary key, then the relation is in at least–
(A) first normal form 
(B) third normal form 
(C) second normal form 
(D) fourth normal form 
(E) fifth normal form 

43. A virtual relation defined by the database administrator in order to keep subjects from viewing certain data is known as– 
(A) Attribute 
(B) Cell 
(C) View 
(D) Primary key
 (E) Data dictionary 

44. Which of the following is the phase when everyone involves attempt to understand why the project is needed and what the scope of the project entails? 
(A) Project development 
(B) Project documentation and standards 
(C) Project initiation 
(D) Project completion
(E) Project proposal 

45. What is the name for the system of hardware and software that blocks unauthorised users inside and outside the organization from entering? 
(A) Firewall
(B) Backbone 
(C) Register 
(D) Gate 
(E) Choke

46. Which feature provides a cloud storage' area where you can store files in a private and secure online location that you can access from any computer? 
(A) Sky Drive 
(B) Wireless Drop 
(C) Network 
(D) Over Drive 
(E) Cloud Connect 

47. The scrambling of code is known as–
(A) Firewalling 
(B) Deception 
(C) Password-proofing 
(D) Encryption 
(E) Permuting 

48. Which phase of the SDLC involves acquiring any new hardware that might be required? 
(A) Systems design 
(B) Systems development 
(C) Systems implementation 
(D) Systems analysis 
(E) Systems maintenance 

49. Software programs that close potential security breaches in an operating system are known as–
(A) refresh patches 
(B) security breach fixes 
(C) security patches
(D) security repairs 
(E) fresh patches 

50. ………. sets a relationship between two tables that has a matching or same attribute. 
(A) Foreign key 
(B) Primary key 
(C) Schema objects 
(D) Data dictionary 
(E) Report generator 

SBI IBPS SO IT 2016- 17 - Networking Question Solve


TCP/IP TRANSPORT LAYER PROTOCOLS
 - UDP AND TCP



TCP/IP DATA LINK LAYERS PROTOCOLS - ETHERNET AND POINT TO POINT PROTOCOL
[As per the OSI model, Ethernet provides services up to and including the data link layer.]

THE PROCESS OF HTTP ASKING TCP TO SEND SOME DATA AND MAKING SURE THAT IT RECEIVED CORRECTLY IS AN EXAMPLE OF WHAT?
ADJACENT-LAYER INTERACTION


THE PROCESS OF TCP ON ONE COMPUTER MARKING A TCP SEGMENT AS SEGMENT 1, AND THE RECEIVING COMPUTER THEN ACKNOWLEDGING THE RECEIPT OF TCP SEGMENT 1 IS AN EXAMPLE OF WHAT? 
SAME-LAYER ENCAPSULATION


The process of a web server adding a TCP header to the contents of a web page, followed by adding an IP header and then adding a data link header and trailer is an example of what?
DATA ENCAPSULATION

Which of the following terms is used specifically to identify the entity created when encapsulating data inside DATA link layer headers and trailers?

FRAME


Which OSI layer defines the functions of logical network-wide addressing and routing?
LAYER 3



Which OSI layer defines the standards for cabling and connectors?
LAYER 1


WHAT RFC # BREAKS DOWN TCP/IP INTO LAYERS?

The model on the left shows the original TCP/IP model listed in RFC 1122, which breaks TCP/IP into four layers. The top two layers focus more on the applications that need to send and receive data. The bottom layer focuses on how to transmit bits over each individual link, with the internet layer focusing on delivering data over the entire path from the original sending computer to the final destination computer.




DESCRIBE THE TCP/IP APPLICATION LAYER?

TCP/IP application layer protocols provide services to the application software running on a computer. The application layer does not define the application itself, but it defines services that applications need. For example, application protocol HTTP defines how web browsers can pull the contents of a web page from a web server. In short, the application layer provides an interface between software running on a computer and the network itself.



WHAT ARE THE MOST COMMONLY USED TRANSPORT LAYER PROTOCOLS?

The two most commonly used transport layer protocols are the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).



What is a common protocol for TCP/IP NETWORK layer?


The TCP/IP network layer includes a small number of protocols, but only one major protocol: the Internet Protocol (IP). In fact, the name TCP/IP is simply the names of the two most common protocols (TCP and IP) separated by a /.



WHAT ARE THE 2 TCP/IP VERSIONS OF IP?

 IP Version 4 (IPv4) and IP Version 6 (IPv6).

IBPS - SO - IT - 2016 - 2017 - Networking Security Question solve



1.) This is a standard for security that is located at the network or packet-processing layer of network communications, as opposed to the application layer.
a. SSL
b. TCP
c. S-HTTP
d. passive FTP
e. IPsec

2.) When fending off an attack, this is a method of monitoring network traffic that involves forwarding a copy of each incoming and outgoing packet from one port of a network switch to another port where the packet can be studied.
a. port mirroring
b. emanation monitoring
c. network scanning
d. footprinting
e. hijacking
[ Port mirroring is an approach to monitoring network traffic that involves forwarding a copy of each packet from one network switch port to another.]
[Footprinting is the process of accumulating data regarding a specific network environment, usually for the purpose of finding ways to intrude into the environment. ]

3.) This is a common type of denial-of-service attack that involves sending more traffic to a network address than the temporary data storage area is intended to hold, thereby shutting down the service and possibly corrupting or overwriting valid data.
a. war dialing
b. buffer overflow
c. smurf attack
d. ping sweep
e. bucket brigade
[A war dialer is a computer program used to identify the phone numbers that can successfully make a connection with a computer modem.]
[A buffer overflow occurs when a program or process attempts to write more data to a fixed length block of memory, or buffer, than the buffer is allocated to hold.]
[ A smurf attack is an exploitation of the Internet Protocol (IP) broadcast addressing to create a denial of service. ]
[ A ping sweep (also known as an ICMP sweep) is a basic network scanning technique used to determine which of a range of IP addresses map to live hosts (computers).]
[ A bucket brigade attack is one in which the attacker intercepts messages in a public key exchange and then retransmits them, substituting their own public key for the requested one, so that the two original parties still appear to be communicating with each other directly. ]

4.) This is a computer host or small network inserted as a "neutral zone" between a company's private network and the outside public network.
a. firewall
b. VPN
c. man in the middle
d. DMZ
e. sheepdip computer
[ A firewall acts as a barrier between a trusted network and and an untrusted network]
[ A virtual private network (VPN) is a technology that creates an encrypted connection over a less secure network.]
[ Man in the middle is one in which the attacker secretly intercepts and relays messages between two parties who believe they are communicating directly with each other.]
[  DMZ (demilitarized zone) is a physical or logical sub-network that separates an internal local area network (LAN) from other untrusted networks, usually the Internet.  ]
[a sheepdip  is the checking of media, usually diskettes or CD-ROMs, for viruses before they are used in a computer or network.]

5.) This is one of the older and slower methods an intruder might use to scan a network to determine which of a range of IP addresses map to live hosts.
a. smurfing
b. brute force cracking
c. phreaking
d. ping sweep
e. war driving

6.) This is a firewall facility that can monitor the state of active connections and use this information to determine which network packets to allow through the firewall.
a. ICMP sweep
b. dynamic packet filter
c. roving analysis port
d. logic bomb
e. static packet filter

7.) This is a computer system on the Internet that is expressly set up to attract and "trap" intruders.
a. exploit
b. demilitarized zone
c. Trojan horse
d. snoop server
e. honeypot

8.) This is the transmission of data through a public network in such a way that the routing nodes in the public network are unaware that the transmission is part of a private network.
a. tunneling
b. virtual private network
c. output feedback
d. chaffing
e. promiscuous mode
[Tunneling, also known as "port forwarding," is the transmission of data intended for use only within a private, usually corporate network through a public network in such a way that the routing nodes in the public network are unaware that the transmission is part of a private network. ]

9.) This occurs when a multitude of compromised systems attack a single targeted system, thereby causing the target system to shut down.
a. denial of service
b. global spy network
c. cipher block chaining
d. distributed denial-of-service attack
e. social engineering
[ A distributed denial-of-service (DDoS) attack is one in which a multitude of compromised systems attack a single target, thereby causing denial of service for users of the targeted system. The flood of incoming messages to the target system essentially forces it to shut down, thereby denying service to the system to legitimate users.]


10.) This allows remote workers to have secure access to their organization's network while using a public telecommunication infrastructure, such as the Internet.
a. shoulder surfing
b. Wingate
c. VPN
d. hot site
e. intrusion detection system

IBPS - SO - IT - 2016 - 2017 - Networking Question solve

  • Host 1 sent a SYN packet to Host 2. What will host 2 send in response?
    • A. 
      A.ACK
    • B. 
      NAK
    • C. 
      SYN-ACK
    • D. 
      SYN-NAK
    • E. 
      SYN
  • 2. 
    TCP and UDP reside at which layer of the OSI model?
    • A. 
      1
    • B. 
      2
    • C. 
      3
    • D. 
      4
  • 3. 
    Which layer of the OSI model provides a user interface in the form on an entery point for programs to access the network infrastructure?
    • A. 
      Application
    • B. 
      Transport
    • C. 
      Network
    • D. 
      Physical
  • 4. 
    You are connected to a server on the Internet and you click on alink on the server and receive a time-out message. What later could the cause of this message?
    • A. 
      Application
    • B. 
      Transport
    • C. 
      Network
    • D. 
      Physical
  • 5. 
    Which layer of the OSI model is responsible for code and character-set conversion as well as recognizing data formats?
    • A. 
      Application
    • B. 
      Presentation
    • C. 
      Session
    • D. 
      Network
  • 6. 
    At which layers of the OSI model do bridges, hubs, and routers primarily operate, respectively?
    • A. 
      Physical, Physical, Data link
    • B. 
      Data link, Data Link, Network
    • C. 
      Data Link, Physical, Network
    • D. 
      Physical, Data Link, Network
  • 7. 
    Which layer of the OSI model is responsible for converting data into signals appropriate for the trasmission medium?
    • A. 
      Application
    • B. 
      Network
    • C. 
      Data Link
    • D. 
      Physical
  • 8. 
    A recieving host has failed to recieve all the segments that it should acknowledge, What can the host do to improve the reliability of this communication session?
    • A. 
      Send a different source port number.
    • B. 
      Restart the virtual circuit
    • C. 
      Decrease the sequence number.
    • D. 
      Decrease the window size
  • 9. 
    When data is encapsuslated, which is the correct order?
    • A. 
      Data, frame, packet, segment, bits
    • B. 
      Segment, data, packet, frame, bits
    • C. 
      Data, segment, packet, frame, bits
    • D. 
      Data, segment, frame, packet, bits
  • 10. 
    Acknowledgements, sequencing, and flow control are characteristics of which OSI model?
    • A. 
      Layer 2
    • B. 
      Layer 3
    • C. 
      Layer 4
    • D. 
      Layer 7
  • 11. 
    Which of the following are types of flow control?
    • A. 
      Buffering
    • B. 
      Cut-through
    • C. 
      Windowing
    • D. 
      Congestion avoidance
    • E. 
      VLANs
  • 12. 
    What is the purpose of flow control?
    • A. 
      To ensure that data is retransmitted if an acknowledgement is not received
    • B. 
      To reassemble segments in the correct order at the destination device
    • C. 
      To provide a means for the receiver to govern the amount of data sent by the sender
    • D. 
      To regulate the size of each segment
  • 13. 
    At which layer of the OSI model would you find IP?
    • A. 
      Transport
    • B. 
      Network
    • C. 
      Data link
    • D. 
      Physcial
  • 14. 
    Of the following, which the highest layer in the OSI model?
    • A. 
      Transport
    • B. 
      Session
    • C. 
      Network
    • D. 
      Presentation
  • 15. 
    Routers perform routing at which OSI layer?
    • A. 
      Physical
    • B. 
      Data Link
    • C. 
      Network
    • D. 
      Transport
    • E. 
      Application
  • 16. 
    Which of the following mnemonic devices can you use to remember the first letter of the name of each layer of the OSI model in the proper order?
    • A. 
      All People Seem to Need Processed Data
    • B. 
      Always Should People Never Threaten Dog Police
    • C. 
      Please Do Not Throw Sausage Pizza Away
    • D. 
      All Day People Should Try New Professions
  • 17. 
    Which IEEE standard specifier the protocol for CSMA/CD?
    • A. 
      802.2
    • B. 
      802.3
    • C. 
      802.5
    • D. 
      802.11
  • 18. 
    Segmentation of data stream happens at which laye of the OSI model?
    • A. 
      Physical
    • B. 
      Data Link
    • C. 
      Network
    • D. 
      Transport
  • 19. 
    Which layer 1 devices can be used to enlarge the area covered by a single LAN segment? Choose 2.
    • A. 
      Switch
    • B. 
      NIC
    • C. 
      Hub
    • D. 
      Repeater
    • E. 
      Transport
  • 20. 
    What are two purposes for segmentation with a bridge?
    • A. 
      To add more broadcast domains
    • B. 
      To create more collision domains
    • C. 
      To add more bandwidth for users
    • D. 
      To allow more broadcasts for users