Advanced Data Communication (UGC/NET)

Advanced Data Communication (UGC/NET)

15 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

______________ layer of OSI is responsible for implementing a sliding window-flow control and acknowledgement mechanism to provide reliable delivery of frames.

  1. Datalink
  2. Presentation
  3. Application
  4. Session
  5. Transport
Question 2 Multiple Choice (Single Answer)

_____________ layer of OSI breaks the message into packets and reassembles them at destination.

  1. Physical
  2. Datalink
  3. Transport
  4. Network
  5. Session
Question 3 Multiple Choice (Single Answer)

______________ term in CSMA protocol describes the fact that a transmitter listens for a carrier wave before trying to send any data in a network.

  1. Collision
  2. Carrier Sense
  3. Multiple Access
  4. Non-Persistent
  5. Persistent
Question 4 Multiple Choice (Single Answer)

____________ command code is used in Telnet structure to indicate the start of sub-negotiation of option indicated by immediately following code.

  1. 250
  2. 241
  3. 240
  4. 242
  5. 243
Question 5 Multiple Choice (Single Answer)

_____________ field in IEEE 802.3 frame format is the one that encoded using Manchester encoding and the bit-pattern produces a 10 MHz square wave for 6.4 usec to allow the receivers clock to synchronize with the senders clock.

  1. Address
  2. SOF
  3. Length
  4. Preamble
  5. Checksum
Question 6 Multiple Choice (Single Answer)

___________ is 3-byte field in IP PDUs that identifies an organisation which administers the meaning of the following 2-byte protocol identifier.

  1. LLC
  2. OUI
  3. PID
  4. CRC
  5. CPI
Question 7 Multiple Choice (Single Answer)

____________ sub-command in controlling data transfer specifies that stream mode is to be used for the file to be treated as a byte stream.

  1. Type
  2. Mode
  3. S
  4. A
  5. E
Question 8 Multiple Choice (Single Answer)

___________ command of Transport Layer Security specifies the largest buffer size in which encrypted data can be passed between the client and server.

  1. AUTH
  2. PROT
  3. PBSZ
  4. ADAT
  5. SAR
Question 9 Multiple Choice (Single Answer)

The subnet mask given as 255.255.0.0 refers to ____________ type of network.

  1. Class A
  2. Class B
  3. Class C
  4. Class D
  5. Class E
Question 10 Multiple Choice (Single Answer)

Which of the following protocols has a major task of providing IP address resolution to hosts on the internet for all local hosts?

  1. FTP
  2. SMTP
  3. DNS
  4. SNMP
  5. RIP
Question 11 Multiple Choice (Single Answer)

___________ term in Internet is used to describe the internal workings of the internet and that specifies internet standards.

  1. IP
  2. DNS
  3. RFCs
  4. HTTP
  5. ISPs
Question 12 Multiple Choice (Single Answer)

_______________ state of POP3 command retrieves information about each message present in the mailbox and if the message number is specified the server returns information for that message.

  1. RETR
  2. DELE msg
  3. LIST
  4. QUIT
  5. RSET
Question 13 Multiple Choice (Single Answer)

______________________ body of Internet Architecture Board (IAB) provides a working group that defines standards known as Request For Comments (RFCs).

  1. IETF
  2. IANA
  3. IRTF
  4. Subnet
  5. Interface
Question 14 Multiple Choice (Single Answer)

____________ flag message attribute in IMAP4 messages indicates that the message is marked for special attention.

  1. Seen
  2. Answered
  3. Flagged
  4. Deleted
  5. Draft
Question 15 Multiple Choice (Single Answer)

______________ type of content negotiation is the one in which the representation for a response is determined according to the algorithms located.

  1. Transparent negotiation
  2. Agent-driven negotiation
  3. Server-driven negotiation
  4. Digest authentication scheme
  5. Basic authentication scheme