A teacher calls the help desk, "Hi, my name is Cheryl Schmidt. My IP phone won't work. Can you help me?"
A) "That Jim. He is always changing that Cisco CallManager server. This is probably because the server, DNS, the DHCP server, or the switch hasn't been configured for the proper VLAN. Let's start some good old-fashioned troubleshooting and get this problem resolved. "
B) "Let me try and solve the problem with you right now."
C) "Let me get some information from you so we can try to solve this problem."
D) "Now calm down, Ms. Schmidt. You know we techs have a lot of problems going on right now."
C
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Which of the following is the first step a LAN-based host takes when a destination is NOT local?
A) Find the destination host's MAC address. B) Encapsulate the IP packet in a data-link frame for the destination host. C) Find the default gateway's MAC address. D) Encapsulate the IP packet in a data-link frame for the default gateway.
For each of the following, write a single statement that performs the specified task. Assume that long variables value1 and value2 have been declared and value1 has been initialized to 200000.
a) Declare the variable longPtr to be a pointer to an object of type long. b) Assign the address of variable value1 to pointer variable longPtr. c) Print the value of the object pointed to by longPtr. d) Assign the value of the object pointed to by longPtr to variable value2. e) Print the value of value2. f) Print the address of value1. g) Print the address stored in longPtr. Is the value printed the same as value1’s address?