Computer Networking
When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

Only extended VLAN's are allowed by default.
No VLAN's are allowed, you must configure each VLAN by hand.
Only configured VLAN's are allowed on the link.
By default, all VLANs are allowed on the trunk.

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Computer Networking
You want to create a standard access list that denies the subnet of the following host: 172.16.144.17/21. Which of the following would you start your list with?

access-list 10 deny 172.16.136.0 0.0.15.255
access-list 10 deny 172.16.48.0 255.255.240.0
access-list 10 deny 172.16.64.0 0.0.31.255
access-list 10 deny 172.16.144.0 0.0.7.255

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Computer Networking
Which of the following technique is used for encapsulation?

All of these
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.
One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
a technique used in best-effort delivery systems to avoid endlessly looping packets.
None of these

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Computer Networking
Which of the following statements is correct for the use of packet switching?

None of these
All of these
the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ

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