Assuming Auto-MDIX is not supported, which of these devices would require a straight-through cable when connecting to an Ethernet switch?
A) Switch
B) Hub
C) Bridge
D) Router
E) Host (PC)
D, E
Explanation: D) The hub, bridge, and switch are all pinned the same, and routers and hosts are all pinned the same. Connections to devices that are pinned differently require a straight-through cable, and connections to devices that are pinned the same require a crossover cable; that includes router to switch (straight) and router to router (crossover).
E) The hub, bridge, and switch are all pinned the same, and routers and hosts are all pinned the same. Connections to devices that are pinned differently require a straight-through cable, and connections to devices that are pinned the same require a crossover cable; that includes router to switch (straight) and router to router (crossover).
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Cramtrack, the regional commuter train system that runs between Southern New Jersey and New York City’s Penn Station, is trying to train users of its newly installed computer system. For the users to get the proper training, the systems analysts involved with the project sent a memo to the heads of the four departments that include both primary and secondary users. The memo said in part, “Only people who feel as if they require training need to make reservations for offsite training; all others should learn the system as they work with it on the job.” Only 3 of a possible 42 users signed up. The analysts were satisfied that the memo effectively screened people who needed training from those who did not.
a. In a paragraph, explain how the systems analysts got off the track in their approach to training. b. Outline the steps you would take to ensure that the right people at Cramtrack are trained. c. Suggest in a paragraph how the Web might be used to assist in training for Cramtrack.
A graph is empty if the number of vertices is 1.
Answer the following statement true (T) or false (F)
By default, after an internal virtual switch has been created, how will a host computer's new virtual NIC attempt to get an IP address?
A. DHCP B. Active Directory C. APIPA D. DNS
________ errors may indicate that an attacker is trying to send invalid data to the server.
A. 404 B. 303 C. 500 D. 51