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CNAB Practice A Exam Questions With Correct Solutions.
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CNAB Practice A Exam Questions With Correct Solutions.
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CNAB Practice A Exam Questions WithCorrect Solutions.
Match the following components with the layer of the OSI model in which it relates most closely with. A. 64-bit MAC address _________________
B. Encryption _________________
C. Hub _________________
D. SMTP _________________ Answer - A. 2
B. 5
C. 1
D. 7
Match the following components with the layer of the OSI model in which it relates most closely with. E. Bridge _________________
F. Internet Protocol _________________
G. Full Duplex Transmission _________________ Answer - E. 2
F. 3
G. 1
In which layer of the OSI model can you find TCP/UDP?
Layer 3
Layer 4
Layer 5
Layer 6
None of the above Answer - Layer 4
What is the octal equivalent of 101010110?
516
726
526
716 Answer - 526
What is another term for metric when discussing OSPF?
a. Cost
b. Hop count
c. Bandwidth
d. Delay Answer - A
Which protocol is represented by 0x 00 19?
a. POP3
b. DNS c. SNMP
d. SMTP Answer - SMTP
Which of the following is a public IP?
a. 10.254.254.254
b. 192.168.24.42
c. 172.16.4.4
d. 172.36.8.8
e. 169.254.4.191 Answer - D
Match the following PDU to the correct layer of the OSI model
a. Layer 1 1.Frame
b. Layer 2 2.Segment c. Layer 3 3. Bits
d. Layer 4 4. Packet Answer - A. 3
B. 1
C. 4
D. 2
Identify the network, first usable, last usable, and broadcast of the following IP address/CIDR.
144.25.72.21/26
a. Network________________________
b. First usable________________________
c. Last usable________________________
d. Broadcast________________________ Answer - A. 144.25.72.0
B. 144.25.72.1
C. 144.25.72.62
D. 255.255.255.192
Which of the following is not a valid IPv6 address?
a. 2001:cdba:0000:0000:0000:0000:3257:9652
b. 2001:cdba:0:0:0:0:3257:9652
c. 2001:cdba::3257:9652
d. ::1
e. 127:0:0:1
f. ::
g. All are valid IPv6 IPs Answer - e. 127:0:0:1
11) Identify if the protocol is TCP or UDP(most commonly used), then match the corresponding port. Write "TCP" or "UDP" on your answer sheet in column "h-8"
a. SNMP TCP or UDP ______________ 1. 110
b. TFTP TCP or UDP ______________ 2. 513
c. rlogin TCP or UDP ______________ 3. 389
d. POP3 TCP or UDP ______________ 4. 69
e. LDAP TCP or UDP ______________ 5. 161 Answer - A. UDP 5
B. UDP 4
C. TCP 1
D. TCP 2
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