Computer Networking
Which of the following describe the DHCP Discover message?1. It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast.2. It uses UDP as the Transport layer protocol.3. It uses TCP as the Transport layer protocol.4. It does not use a layer 2 destination address.

1 only
4 only
1 and 2
3 and 4

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Computer Networking
HDLC (High-level Data Link Control) is

network access standard for connecting stations to a circuit-switched network
None of these
a very common bit-oriented data link protocol issued by ISO.
a method of determining which device has access to the transmission medium at any time
a method access control technique for multiple-access transmission media

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Computer Networking
You get a call from a network administrator who tells you that he typed the following into his router:Router (config) #router ospf 1Router (config-router) #network 10.0.0.0 255.0.0.0 area 0He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

The OSPF Process ID is incorrect.
The wildcard mask is incorrect.
The OSPF area is wrong.
The AS configuration is wrong.

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