TCP/IP

Q1:
Which of the following describe the DHCP Discover message?
  1. It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast.
  2. It uses UDP as the Transport layer protocol.
  3. It uses TCP as the Transport layer protocol.
  4. It does not use a layer 2 destination address.

A 1 only

B 1 and 2

C 3 and 4

D 4 only

Q2: Which class of IP address provides a maximum of only 254 host addresses per network ID?

A Class A

B Class B

C Class C

D Class D

Q3:
Which of the following are layers in the TCP/IP model?
  1. Application
  2. Session
  3. Transport
  4. Internet
  5. Data Link
  6. Physical

A 1 and 2

B 1, 3 and 4

C 2, 3 and 5

D 3, 4 and 5

Q4: Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?

A 155, 0x9B

B 157, 0x9D

C 159, 0x9F

D 185, 0xB9

Q5: The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

A Application

B Host-to-Host

C Internet

D Network Access

Q6: What is the address range of a Class B network address in binary?

A 01xxxxxx

B 0xxxxxxx

C 10xxxxxx

D 110xxxxx

Q7:
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

A 1 and 3

B 1, 3 and 5

C 3, 4 and 5

D All of the above

Q8: You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?

A SMTP

B SNMP

C DHCP

D ARP

Q9:
Which of the following services use TCP?
  1. DHCP
  2. SMTP
  3. HTTP
  4. TFTP
  5. FTP

A 1 and 2

B 2, 3 and 5

C 1, 2 and 4

D 1, 3 and 4

Q10: Which layer 4 protocol is used for a Telnet connection?

A IP

B TCP

C TCP/IP

D UDP

Q11: What protocol is used to find the hardware address of a local device?

A RARP

B ARP

C IP

D ICMP

Q12:
Which statements are true regarding ICMP packets?
  1. They acknowledge receipt of a TCP segment.
  2. They guarantee datagram delivery.
  3. They can provide hosts with information about network problems.
  4. They are encapsulated within IP datagrams.

A 1 only

B 2 and 3

C 3 and 4

D 2, 3 and 4

Q13: Which of the following allows a router to respond to an ARP request that is intended for a remote host?

A Gateway DP

B Reverse ARP (RARP)

C Proxy ARP

D Inverse ARP (IARP)

Q14: What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?

A Application

B Host-to-Host

C Internet

D Network Access

Q15: Which of the following protocols uses both TCP and UDP?

A FTP

B SMTP

C Telnet

D DNS

Q16:
Which of the following services use UDP?
  1. DHCP
  2. SMTP
  3. SNMP
  4. FTP
  5. HTTP
  6. TFTP

A 1, 3 and 6

B 2 and 4

C 1, 2 and 4

D All of the above

Q17: Which of the following is private IP address?

A 12.0.0.1

B 168.172.19.39

C 172.15.14.36

D 192.168.24.43

Q18:
Which statements are true regarding ICMP packets?
  1. ICMP guarantees datagram delivery.
  2. ICMP can provide hosts with information about network problems.
  3. ICMP is encapsulated within IP datagrams.
  4. ICMP is encapsulated within UDP datagrams.

A 1 only

B 2 and 3

C 1 and 4

D All of the above

Q19: If you use either Telnet or FTP, which is the highest layer you are using to transmit data?

A Application

B Presentation

C Session

D Transport

Q20:
Which statements are true regarding ICMP packets?
  1. ICMP guarantees datagram delivery.
  2. ICMP can provide hosts with information about network problems.
  3. ICMP is encapsulated within IP datagrams.
  4. ICMP is encapsulated within UDP datagrams.

A 1 only

B 2 and 3

C 1 and 4

D All of the above


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