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Networking - TCP/IP

Exercise : TCP/IP - TCP/IP
  • TCP/IP - TCP/IP
16.
Which of the following are TCP/IP protocols used at the Application layer of the OSI model?
  1. IP
  2. TCP
  3. Telnet
  4. FTP
  5. TFTP
1 and 3
1, 3 and 5
3, 4 and 5
All of the above
Answer: Option
Explanation:
Telnet, File Transfer Protocol (FTP), and Trivial FTP (TFTP) are all Application layer protocols. IP is a Network layer protocol. Transmission Control Protocol (TCP) is a Transport layer protocol.
17.
What protocol is used to find the hardware address of a local device?
RARP
ARP
IP
ICMP
Answer: Option
Explanation:
Address Resolution Protocol (ARP) is used to find the hardware address from a known IP address.
18.
Which of the following protocols uses both TCP and UDP?
FTP
SMTP
Telnet
DNS
Answer: Option
Explanation:
DNS uses TCP for zone exchanges between servers and UDP when a client is trying to resolve a hostname to an IP address.
19.
What is the address range of a Class B network address in binary?
01xxxxxx
0xxxxxxx
10xxxxxx
110xxxxx
Answer: Option
Explanation:
The range of a Class B network address is 128-191. This makes our binary range 10xxxxxx.
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