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Q:

Which IEEE committee has been sanctioned by WAP and is called WPA2?

Answer

The IEEE 802.11i standard has been sanctioned by WPA and is termed WPA version 2.

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Subject: CCNA

Q:

Two workers have established wireless communication directly between their wireless laptops. What type of wireless topology has been created by these employees?

A) BSS B) SSID
C) IBSS D) ESS
 
Answer & Explanation Answer: C) IBSS

Explanation:

Two wireless hosts directly connected wirelessly is no different then two hosts connecting with a crossover cable. They are both ad-hoc networks, but in wireless, we call this an independent Basic Service Set(IBSS).

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Filed Under: CCNA

Q:

You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?

A) Managed hubs B) Bridges
C) Switches D) Switches configured with VLANs
 
Answer & Explanation Answer: D) Switches configured with VLANs

Explanation:

By creating and implementing VLANs in your switched network, you can break up broadcast domains at layer2. For hosts on different VLANs to communicate, you must have a router or layer 3 switch. 

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Q:

What four routed protocols are supported by EIGRP?

Answer

The four routed protocols supported by EIGRP are IP, IPv6, IPX, and AppleTalk.

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Subject: CCNA

Q:

There are three possible routes for a router to reach a destination network. The first route is from OSPF with a metric of 782. The second route is from RIPv2 with a metric of 4. The third is from EIGRP with a composite metric of 20514560. Which route will be installed by the router in its routing table?

A) RIPv2 B) EIGRP
C) OSPF D) All three
 
Answer & Explanation Answer: B) EIGRP

Explanation:

Only the EIGRP routes will be placed in the routing table because it has the lowest administrative distance (AD), and that is always used before metrics.

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Filed Under: CCNA

Q:

If your routing table has a static, a RIP, and an EIGRP route to the same network, which route will be used to route packets by default?

A) Any available route B) RIP route
C) Static route D) EIGRP route
 
Answer & Explanation Answer: C) Static route

Explanation:

Static routes have an administrative distance of 1 by default. Unless you change this, a static route will always be used over any other dynamically learned route. EIGRP has an administrative distance of 90, and RIP has an administrative distance of 120, by default

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Filed Under: CCNA

Q:

A network administrator views the output from the show ip route command. A network that is advertised by both RIP and EIGRP appears in the routing table flagged as an EIGRP route. why is the RIP route to this network not used in the routing table?

A) EIGRP has a faster update timer B) EIGRP has a lower administrative distance
C) RIP has a higher metric for that route D) The RIP path has a routing loop
 
Answer & Explanation Answer: B) EIGRP has a lower administrative distance

Explanation:

RIP has an administrative distance (AD) of 120, while EIGRP has an administrative distance of 90, so the router will discard any route with a higher AD than 90 to that same network.

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Filed Under: CCNA

Q:

What network service is the most likely problem if you can ping a computer by IP address but not by name?

A) DNS B) DHCP
C) ARP D) ICMP
 
Answer & Explanation Answer: A) DNS

Explanation:

 The most likely problem if you can ping a computer by IP address but not by name is a failure of DNS.

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Filed Under: CCNA