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

a very common bit-oriented data link protocol issued by ISO.
network access standard for connecting stations to a circuit-switched network
None of these
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 want to create a standard access list that denies the subnet of the following host: 172.16.198.94/19. Which of the following would you start your list with?

access-list 10 deny 172.16.0.0 0.0.255.255
access-list 10 deny 172.16.192.0 0.0.31.255
access-list 10 deny 172.16.188.0 0.0.15.255
access-list 10 deny 172.16.172.0 0.0.31.255

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Computer Networking
You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?

access-list 10 deny 192.168.160.0 0.0.31.255
access-list 10 deny 192.168.0.0 0.0.31.255
access-list 10 deny 192.168.160.0 255.255.224.0
access-list 10 deny 192.168.160.0 0.0.191.255

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