Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?
Answer: C
IEEE 802.11B is 2.4GHz, but with a maximum of only 11Mbps. IEEE 802.11G is in the 2.4GHz range, with a top speed of 54Mbps.
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A list of protocols used by a system, one protocol per layer, is called:
Answer: B
None.
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What PPP protocol provides dynamic addressing, authentication, and multilink?
Answer: C
Link Control Protocol in the PPP stack provides dynamic addressing, authentication, and multilink.
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\Which command is used to upgrade an IOS on a Cisco router?
Answer: D
The copy tftp flash command places a new file in flash memory, which is the default location for the Cisco IOS in Cisco routers.
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A _______ is the physical path over which a message travels.
Answer: B
Explanation: Messages travel from sender to receiver via a physical path called the medium using a set of methods/rules called protocol. Mediums can be guided (wired) or unguided (wireless).
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Which protocol is used to send a destination network unknown message back to originating hosts?
Answer: C
ICMP is the protocol at the Network layer that is used to send messages back to an originating router.
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What protocols are used to configure trunking on a switch?
1.VLAN Trunking Protocol
2.VLAN
3.802.1Q
4.ISL
Answer: A
VTP is not right because it has nothing to do with trunking except that it sends VLAN information across a trunk link. 802.1Q and ISL are used to configure trunking on a port.
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What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
Answer: D
Port Address Translation (PAT) allows a one-to-many approach to network address translation.
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Which one of the following computer network is built on the top of another network?
Answer: D
None.
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You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?
Answer: D
Each device has 10 Mbps to the server.
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