a switch has just arrived from cisco. the switch has never been configured with any vlans, but vtp has been disabled. an engineer gets into configuration mode and issues the vlan 22 command, followed by the name hannahs-vlan command. which of the following are true? (choose two answers.)
a. vlan 22 is listed in the output of the show vlan brief command.
b. vlan 22 is listed in the output of the show running-config command.
c. vlan 22 is not created by this process.
d. vlan 22 does not exist in that switch until at least one interface is assigned to that vlan.

Answer the following questions regarding your system by using the commands listed in this chapter. for each question, write the command you used to obtain the answer. a. what are the total number of inodes in the root filesystem? how many are currently utilized? how many are available for use? b. what filesystems are currently mounted on your system? c. what filesystems are available to be mounted on your system? d. what filesystems will be automatically mounted at boot time?

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?

Which player type acts on other players? a. killer b. achiever c. explorer d. socializer