Advanced Data Communication (UGC/NET)
Advanced Data Communication (UGC/NET)
Questions
______________ layer of OSI is responsible for implementing a sliding window-flow control and acknowledgement mechanism to provide reliable delivery of frames.
- Datalink
- Presentation
- Application
- Session
- Transport
_____________ layer of OSI breaks the message into packets and reassembles them at destination.
- Physical
- Datalink
- Transport
- Network
- Session
______________ term in CSMA protocol describes the fact that a transmitter listens for a carrier wave before trying to send any data in a network.
- Collision
- Carrier Sense
- Multiple Access
- Non-Persistent
- Persistent
____________ command code is used in Telnet structure to indicate the start of sub-negotiation of option indicated by immediately following code.
- 250
- 241
- 240
- 242
- 243
_____________ 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.
- Address
- SOF
- Length
- Preamble
- Checksum
___________ is 3-byte field in IP PDUs that identifies an organisation which administers the meaning of the following 2-byte protocol identifier.
- LLC
- OUI
- PID
- CRC
- CPI
____________ sub-command in controlling data transfer specifies that stream mode is to be used for the file to be treated as a byte stream.
- Type
- Mode
- S
- A
- E
___________ command of Transport Layer Security specifies the largest buffer size in which encrypted data can be passed between the client and server.
- AUTH
- PROT
- PBSZ
- ADAT
- SAR
The subnet mask given as 255.255.0.0 refers to ____________ type of network.
- Class A
- Class B
- Class C
- Class D
- Class E
Which of the following protocols has a major task of providing IP address resolution to hosts on the internet for all local hosts?
- FTP
- SMTP
- DNS
- SNMP
- RIP
___________ term in Internet is used to describe the internal workings of the internet and that specifies internet standards.
- IP
- DNS
- RFCs
- HTTP
- ISPs
_______________ 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.
- RETR
- DELE msg
- LIST
- QUIT
- RSET
______________________ body of Internet Architecture Board (IAB) provides a working group that defines standards known as Request For Comments (RFCs).
- IETF
- IANA
- IRTF
- Subnet
- Interface
____________ flag message attribute in IMAP4 messages indicates that the message is marked for special attention.
- Seen
- Answered
- Flagged
- Deleted
- Draft
______________ type of content negotiation is the one in which the representation for a response is determined according to the algorithms located.
- Transparent negotiation
- Agent-driven negotiation
- Server-driven negotiation
- Digest authentication scheme
- Basic authentication scheme