Which three of the following are WAN physical layer standards?

a. EIA/TIA 449
b. X.21 Male
c. X.25 female
d. V.35
e. IEEE 802.11G


A,B,D

Computer Science & Information Technology

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Flash stores and organizes symbols in the____________________.

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

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Which type of scan is usually used to bypass a firewall or packet-filtering device?

a. ACK scan b. SYN scan c. XMAS scan d. FIN scan

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An and gate has a controlling value of _____.

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

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Issued as RFC 2104, __________ has been chosen as the mandatory-to-implement MAC for IP Security.

A. RSA B. SHA-3 C. DSS D. HMAC

Computer Science & Information Technology