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QveST [7]
3 years ago
10

A network technician is planning to update the firmware on a router on the network. The technician has downloaded the file from

the vendor's website. Before installing the firmware update, which of the following steps should the technician perform to ensure file integrity?
a. Perform antivirus and anti-malware scans of the file.
b. Perform a hash on the file for comparison with the vendor’s hash.
c. Download the file a second time and compare the version numbers.
d. Compare the hash of the file to the previous firmware update.
Computers and Technology
1 answer:
zhenek [66]3 years ago
5 0

Answer: B. Perform a hash on the file for comparison with the vendor’s hash.

Explanation:

Before installing the firmware update, the step that the technician should perform to ensure file integrity is to perform a hash on the file for comparison with the vendor’s hash.

Hashing refers to the algorithm that is used for the calculation of a string value from a file. Hashes are helpful in the identification of a threat on a machine and when a user wants to query the network for the existence of a certain file.

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Hey there!

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5 0
3 years ago
Explain how touch-tone dialing sends digits to the switch and write the name given to define touch-tone dialing.
Sergeu [11.5K]

Answer: Please see below as the answer is self-explanatory

Explanation:

Digital phones, normally uses a keyboard, with the digits 0-9, and special characters like # and *.

When the caller presses any keyboard, an electronic circuit within the phone generates two pure sinusoids, of frequencies within the vocal bandwidth (between 300 Hz and 3 khz, roughly), which identifies uniquely (as decoded by the receiving switch) which was the key pressed.

In this way, the switch reconstructs the phone number called, separating country code, area code and the local number as it receives the tones.

This system is called DTMF (dual tone multi frequency).

4 0
3 years ago
The default (preset slide layouts are set up in ____ orientation.
Rama09 [41]
The default is normal view orientation.
3 0
3 years ago
A computer has power, but there are no beeps and the computer does not boot. which of the following would be the MOST LIKELY cau
Radda [10]

Answer:

CPU failure

Explanation:

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4 years ago
For credit card processing, stock exchanges, and airline reservations, data availability must be continuous. There are many othe
anygoal [31]

Answer:

The answer to this question can be described as follows:

Explanation:

The mission-critical System-

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The nuclear power plant is used to control the system, and it also contains and continues reactions.  It's also usually used only for energy production, and also used experiments and clinical isotope manufacture.  

If another system of nuclear power fails, this could result in a continuous nuclear reaction in a range of aspects like irradiated leaks. These same persons across the area may experience serious radioactivity symptoms.

The main task in their personal life-  

They realize, that without power, they turn down your entire life when you've never encountered a dark off with more than 30 minutes. Essentially, people wouldn't have been allowed to do what you'll do, entirely frozen.  

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3 0
3 years ago
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