Enjoy this quiz hitting a variety of fun IP network topics from the Cisco CCNA certification area. Note that many of these topics also apply to a wide variety of certifications from a wide variety of vendors – including CompTIA A+ and Network+.
CCNA - IP Networks
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Question 1
You are using Wireshark to analyze packets on your network and you note that there is a field visible called sequence number. From this, what can you determine?
A
The packet is using UDP
B
The packet is destined for HTTP
C
The packet is using TCP
D
The packet is destined for FTP
Question 1 Explanation:
The presence of a sequence number would indicate TCP is in use as opposed to the connectionless UDP. There is not enough information here to indicate the destination of the traffic.
Question 2
You have a Cisco switch in its default configuration. The switch connects to four workstations and one other Cisco switch. How many collision domains are on this device?
A
0
B
1
C
4
D
5
E
6
Question 2 Explanation:
There is a collision domain for each port in use.
Question 3
You are performing a Wireshark packet capture and you notice the following address in use on your system – 224.0.1.1. What is this address type used for?
A
It is used to send traffic to a specific default gateway
B
It is used to send traffic to all hosts
C
It is used to send traffic to a specific receiver
D
It is used to send traffic to the “closest” recipient
E
It is used to send traffic to a group of receivers
Question 4
Which of the following are examples of physical layer devices in a network? (Choose 3)
A
Switch
B
NIC
C
Hub
D
Ethernet cable
E
Bridge
F
Router
Question 4 Explanation:
The switch and bridge are layer 2 devices while a router is a layer 3 device.
Question 5
Which of the following would be the preferred transport layer protocol for carrying Voice over IP (VoIP)?
A
LLQ
B
UDP
C
TCP
D
HTTPS
Question 5 Explanation:
VoIP uses the efficiency of the connectionless UDP.
Question 6
Which of the following is a private IPv4 address?
A
172.1.1.1
B
10.10.10.1
C
196.192.1.1
D
12.10.1.102
Question 6 Explanation:
The Class A range that was designated private is 10.X.X.X
Question 7
You have the IP address and mask of 192.168.1.102 255.255.255.224 on your host. What is the first usable IP address on your subnet?
A
192.168.1.95
B
192.168.1.94
C
192.168.1.97
D
192.168.1.65
E
192.168.1.64
Question 7 Explanation:
This is the .96 subnet. The first usable is .97 and the last usable is .126.
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