You work as IT technician for uCertify Inc. The company has a network consisting of a hundred computers including a DNS server and a DHCP server. All client computers run on Windows 8. John, a newly appointed IT Technician, wants to know the host name, IP address, and the physical address configurations of the computer he is using. Which of the following commands will you tell him to use to obtain the required information?
A) Ipconfig
B) Ipconfig /all
C) Ping
D) MSConfig
B) Ipconfig /all
The ipconfig /all command is used to view the full TCP/IP configuration for all the adapters. Ipconfig /all also gives full details on the duration of current lease. You can verify whether a DHCP client has connectivity to a DHCP server by releasing the client's IP address and then attempting to lease an IP address.
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Which of the following applications would a deque not be well suited for?
a. Applications that require frequent insertions and deletions at the front of a container. b. Applications that require frequent insertions and deletions in the middle of a container. c. Applications that require frequent insertions and deletions at the back of a container. d. Applications that require frequent insertions and deletions at the front and at the back of a container.
When calculating lucas(8), how many times is lucas(5) calculated?
The Lucas sequence is defined as the sequence that begins with 2 and 1, and every other number in the sequence is the sum of the two preceding numbers. A recursive method to generate the term in the Lucas sequence is: ``` public int lucas(int n) { if(n == 1) return 2; if(n == 2) return 1; return lucas(n-1) + lucas(n-2); } ```
Which of the following pairs represents a medium frequency band and its common use?
A. 300 KHz-3MHz, AM radio B. 144-174 MHz, TV channels C. 30-300 KHz, cordless phones D. 3-30 MHz, CB and shortwave radio
____ storage stores data as microscopic light and dark spots on the disc surface.
A. Optical B. Laser C. Magnetic D. Solid-state