Computer Networking
Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?

IPSec
xDSL
VPN
HDLC
Cable

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Computer Networking
You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address?

Issue the show ip arp command on the router connected to the switch.
Issue the show cdp neighbors detail command on the router connected to the switch.
Issue the show ip route command on the router connected to the switch.
Issue the show cdp neighbor command on the router connected to the switch.

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

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 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.
All of these
a technique used in best-effort delivery systems to avoid endlessly looping packets.
None of these

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