List the files in the /usr/bin directory that begin with the letter u. Next list those that begin with un.

What will be an ideal response?

$ ls /usr/bin/u*
$ ls /usr/bin/un*

Computer Science & Information Technology

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UDP offers connection-oriented services with sequencing, error recovery, and a sliding window mechanism.

Answer the following statement true (T) or false (F)

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Which of the following is NOT a form of network or traffic segmentation?

A. Hot Standby Routing Protocol (HSRP) B. demilitarized zone (DMZ) C. virtual LANs (VLANs) D. virtual private network (VPN)

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____________________ scanning uses patterns in the blood vessels of the retina at the back of the eye.

Fill in the blank(s) with the appropriate word(s).

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How many channels are in a DS1 frame?

A. 16 B. 24 C. 32 D. 64

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