Security on a network not only means being able to prevent a hacker from breaking into your computer but also includes being able to recover from temporary service problems or from natural disasters.

a. true.
b. false.

Security on a network not only means being able to prevent a hacker from breaking into your computer but also includes being able to recover from temporary service problems or from natural disasters is True.

a.True.

Explanation:

As network administrator he or she is responsible for both prevent from hacker and restore network from disaster with minimum down time. Network administrator has monitor network traffics and packets and do a period check on malware, spyware and ransom ware protection.

As network administrator should ready made tools or purchase to handle the network traffic to avoid network disaster.

Network administrator update firewall patches and upgrades virus signature files at period intervals. Network administrator also takes necessary advice from firewall hardware appliance from supplier and takes necessary steps o handle situation then and there.

iphones are still better

which functions return a valid value without any arguments?

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today

sqrt

count

2nd -blank-

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now

sqrt