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- Question
What is usage of Sequence Number in Relaible Transmission?
- Correct Answer
- The protocol specifies that frames need to be numbered This is done by using sequence numbers A field is added to the data frame to hold the sequence number of that frame Since we want to minimize the frame size, the smallest range that provides unambiguous communication The sequence numbers can wrap around
- 1. What is Stop-and-Wait Protocol? Discuss
- 2. What is the Routing Information Protocol or RIP? Discuss
- 3. What is the DNS forwarder? Discuss
- 4. What is DHCP scope? Discuss
- 5. What are the LMHOSTS files? Discuss
- 6. What is Pipelining ? Discuss
- 7. What does a VLAN do?
Options- A. Breaks up broadcast domains in a layer 2 switch internetwork
- B. Provides multiple broadcast domains within a single collision domain
- C. Provides multiple collision domains on one switch port
- D. Acts as the fastest port to all servers Discuss
- 8. Which standard govern parallel communications?
Options- A. CAT 5
- B. RS232
- C. RS-232a
- D. IEEE 1284 Discuss
- 9. What is meant by a dedicated computer?
Options- A. Which is assigned one and only one task
- B. Which is meant for application software
- C. Which is used by one person only
- D. Which uses one kind of software Discuss
- 10. Which among the following are the capabilities of the Cursor?
Options- A. It reads every row one by one.
- B. It can be parameterised and hence are flexible
- C. It can be positioned to specific rows
- D. All the above Discuss
Technology problems
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Correct Answer: In Stop and wait protocol, sender sends one frame, waits until it receives confirmation from the receiver (okay to go ahead), and then sends the next frame
Correct Answer: RIP is a is an interior gateway protocol that was often used in interior networks and in some degree in internet networks It helps the router adapt to the modifications that are made in a network regarding connections Now it become less used since more efficient protocols were implemented like OSPF or IS-IS It is limited to a lower number of routers, a maximum of fifteen router
Correct Answer: DNS servers often must communicate with DNS servers outside of the local network A forwarder is an entry that is used when a DNS server receives DNS queries that it cannot resolve locally It then forwards those requests to external DNS servers for resolution
Correct Answer: A scope is a range, or pool, of IP addresses that can be leased to DHCP clients on a given subnet
Correct Answer: The LMHOSTS file is a static method of resolving NetBIOS names to IP addresses in the same way that the HOSTS file is a static method of resolving domain names into IP addresses An LMHOSTS file is a text file that maps NetBIOS names to IP addresses; it must be manually configured and updated
Correct Answer: In networking and in other areas, a task is often begun before the previous task has ended This is known as pipelining
Correct Answer: Breaks up broadcast domains in a layer 2 switch internetwork
Explanation:
virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). LAN is the abbreviation for local area network and in this context, virtual refers to a physical object recreated and altered by additional logic.
VLANs work by applying tags to network packets and handling these tags in networking systems ? creating the appearance and functionality of network traffic that is physically on a single network but acts as if it is split between separate networks. In this way, VLANs can keep network applications separate despite being connected to the same physical network, and without requiring multiple sets of cabling and networking devices to be deployed.
Correct Answer: IEEE 1284
Correct Answer: Which is assigned one and only one task
Correct Answer: All the above
Explanation:
All the above listed actions are the functions of cursor
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