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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