What can be done to bring a switch port to the operational state from the ERRDISABLE state?
a. The administrator needs to issue the command shutdown and then no shutdown to reenable the port.
b. The administrator needs to issue the command no shutdown to reenable the port.
c. All of the above are correct.
d. None of the above is correct.
a. The administrator needs to issue the command shutdown and then no shutdown to reenable the port.
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Answer the following statements true (T) or false (F)
1. An iteration structure is always needed to process a menu selection made by a user. 2. An If-Then-Else statement can be used as one way to process a user's menu selection. 3. The user's menu selection can be validated using an input validation loop immediately after the input statements. 4. It is never possible to give a user a chance to make more than one selection without re-running the whole program.
When a file is opened in this mode, data will be written at the end of the file's existing contents.
a. output mode b. append mode c. backup mode d. read-only mode
Which statement describes cable?
Delivering services over a cable network requires downstream frequencies in the 50 to 860 MHz range, and upstream frequencies in the 5 to 42 MHz range. The cable subscriber must purchase a cable modem termination system (CMTS). Each cable subscriber has dedicated upstream and downstream bandwidth. Cable subscribers may expect up to 27 Mbps of bandwidth on the upload path.
What extension should be used to name HTML files?
(a) .html (b) .zip (c) .bat (d) none of the above.