CCENT 1
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This is a quiz to help prepare for the Cisco CCENT exam.
This practice test is currently under development
Please remember this is only a practice quiz. It does not simulate the real testing environment, and passing this quiz does not guarantee that you will pass the exam.
Please send any feedback to routeswitchblog /at/ gmail \dot\ com.
Good Luck!
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Question 1 of 12
1. Question
Define a collision domain
Correct
A collision domain is a segment of network that more than one station can can transmit on the same media at one time. This does not include a full duplex connection, since the physical media is actually 2 sets of wires in the CAT 5/6 cable. Commonly a collision domain would be stations connected to a coax (Thinnet/Thicknet) cable, or hubs. In newer switch based networks, each station is in it’s own collision domain.
Incorrect
A collision domain is a segment of network that more than one station can can transmit on the same media at one time. This does not include a full duplex connection, since the physical media is actually 2 sets of wires in the CAT 5/6 cable. Commonly a collision domain would be stations connected to a coax (Thinnet/Thicknet) cable, or hubs. In newer switch based networks, each station is in it’s own collision domain.
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Question 2 of 12
2. Question
What routing protocol is based on counting routers as hops?
Correct
RIP and RIPv2 count router hops, while (simplifying things a lot) EIGRP and OSPF use formulas to calculate the cost of links, so a slower like has a higher cost than a faster link. Static routes do not calculate a cost.
Incorrect
RIP and RIPv2 count router hops, while (simplifying things a lot) EIGRP and OSPF use formulas to calculate the cost of links, so a slower like has a higher cost than a faster link. Static routes do not calculate a cost.
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Question 3 of 12
3. Question
Assuming the following routes are available, which route would be used to get to 172.16.1.200?
Correct
This question takes 2 factors into account, the longest match and the Administrative distance. The answers routes are evaluated as follows:
EIGRP route to 172.16.1.0/25 – Not a valid route to 172.16.1.200, it only includes 172.16.1.0 – 127.
Static route to 172.16.1.0/23 – Normally a static route is preferred over dynamic routes, but the /24 routes are a closer match, and the closest match wins.
RIPv2 and OSPF routes to 172.16.1.0/24 – Since these are the same length match, the decision comes down to the Administrative Distance of the routes, and Cisco routers will prefer the OSPF route.
Incorrect
This question takes 2 factors into account, the longest match and the Administrative distance. The answers routes are evaluated as follows:
EIGRP route to 172.16.1.0/25 – Not a valid route to 172.16.1.200, it only includes 172.16.1.0 – 127.
Static route to 172.16.1.0/23 – Normally a static route is preferred over dynamic routes, but the /24 routes are a closer match, and the closest match wins.
RIPv2 and OSPF routes to 172.16.1.0/24 – Since these are the same length match, the decision comes down to the Administrative Distance of the routes, and Cisco routers will prefer the OSPF route.
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Question 4 of 12
4. Question
Which IPv6 address is valid?
Correct
Incorrect
The addresses are invalid for the following reasons:
2001:db8::506a:3b10::1 – Two sets of double Semicolons. Only one set is allowed, since there is no way to know how many 0s go into each one.
2001:db8:1000:50:301:4:2:91:df – Too long, 9 sets of characters
2001:db8:506h:3b10::1 – “h” is not a valid hex digit
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Question 5 of 12
5. Question
Place the OSI layers in order:
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Application
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Presentation
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Session
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Transport
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Network
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Data Link
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Physical
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Question 6 of 12
6. Question
Match the IPv6 addresses with the type of address:
Sort elements
- 2001:2000::C801:30AD:E054:1C
- FF02::2
- FE80::C801:30FF:FE54:1C
- 2001:2000::C801:30FF:FE54:1C
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Global Unicast (Non-EUI-64)
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Multicast
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Link Local
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Global Unicast (EUI-64)
Correct
Incorrect
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Question 7 of 12
7. Question
In this example, the client is on the inside of the NAT device.
Match the terms:
Sort elements
- The IP address assigned directly on the client
- The client's IP address as seen by the server
- The server IP address as seen by the client
- The server IP address as seen by the world.
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Inside Local
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Inside Global
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Outside Local
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Outside Global
Correct
Incorrect
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Question 8 of 12
8. Question
Match the IP address with it’s base subnet address.
Sort elements
- 172.20.4.21/22
- 172.20.4.200/26
- 172.20.4.200/25
- 172.20.9.100/26
- 172.20.9.130/25
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172.20.4.0
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172.20.4.128
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172.20.9.64
Correct
Incorrect
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Question 9 of 12
9. Question
Which protocols are open standards? Select all that apply.
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Incorrect
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Question 10 of 12
10. Question
What command shows system uptime?
Correct
Incorrect
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Question 11 of 12
11. Question
Which of the following are true about 802.1q trunking? Select all that apply.
Correct
Incorrect
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Question 12 of 12
12. Question
Which of the following are correct about “transport input ssh?” Choose all that apply.
Correct
Incorrect
This online CCNA practice quiz is meant to be a part of your overall CCNA training strategy. It is not meant to be a representation of the real question formats you will see on the test. They are meant to improve your mastery of Cisco networking, and other subjects on the test. Be sure to check look at the other CCNA topics on the blog, as well as the other technical resources available.
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