All the students choose summer as their time to serve as an intern since they have no classes at that time.

A . Serial connection B . Secure Shell C . RADIUS D . Simple Network Management Protocol E . HTTP F . Telnet

A . ff02：a：b：c：：l/64 B . 2001：aaaa： 1234：456c： 1/64 C . 2001：000a：lb2c：：/64 D . 2fff：f：f：f：：f/64 E . ff02：33ab：l：32：：2/128 F . 2001：bad：2345：a：b：：cef/128

A . Database datafiles B . Control files C . Online redo logs D . Database pfiles E . Archived redo log

A . A single SQL statement provided by a user B . An existing SQL Tuning Set (STS) C . A preprocessed Database Replay workload D . A schema name E . SQL statement identified in EM as using excessive resource

A . Cisco Express Fonvarding B . FIB switching C . Cache switching D . Optimized switching E . Process switching F . Fast switching

A . very carefully B . most carefully C . more carefully D . the most carefully

A . as B . so as to C . so that D . tha

A . A routed port does not run STP or DTP B . A routed port is considered to be in a down state if it is not operational at both Layer 1 andLayer 2 C . An SVI is considered to be in a down state if it is not operational at both Layer 1 and Layer 2 D . An SVI is considered to be in a down state only when none of the ports in the correspondingVLAN are active E . An SVI port does not run 5TP or DTP F . To create a trunk， an SVI can be logically divided into subinterface

A . EIGRP database table B . EIGRP CEF table C . EIGRP neighbor table D . EIGRP adjacency table E . EIGRP interface table F . EIGRP topology table

A . The port must be put into forwarding state manually after root-inconsistent state has beencorrected B . A Root Guard port receiving superior BPDU goes into a root-inconsistent state C . A Root Guard port receiving inferior BPDU goes into a root-inconsistent state D . While the port is in a root-inconsistent state no user data is sent across that port E . The port returns to a forwarding state if inferior BPDUs stop F . It should be applied to all switch port

A . A BPDU Guard port should only be configured on ports with PortFast enabled B . BPDU Guard and PortFast should not be enabled on the same port. C . BPDU Guard is used to ensure that superior BPDUs are not received on a switch port D . A BPDU Guard port receiving a BPDU will go into err-disable state E . A BPDU Guard port receiving a BPDU will be disabled F . BPDU Guard can be enabled on any switch port

A . Cisco proprietary B . Standards-based protocol C . Provides separate services for authentication， authorization， and accounting D . Encrypts only the password E . Uses UDP for a transport layer F . Encrypts the entire packet

A . With IGMPvl， queries are sent to a specific group B . Hosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibility C . An IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are present D . With IGMFV2， a leave message is supported E . An IGMPv2 host will send an IGMFVl report on an IGMFVl router F . An IGMPv2 router can only allow IGMPv2 hosts to execute a join request

A . MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if MEMORY_MAX_TARGET is set to a value greater than zero B . MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not set C . MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures. D . MEMORY_TARGET is static and cannot be modified without shutting down the instance

A．were B．are C．will be D．be

A．independence B．confidence C．insurance D．reluctance

A．Take some business classes B．Familiarize himself with certain businesses beforehand C．Have questions ready to ask the representatives D．Talk to people who work for accounting firms 此题为多项选择题。

A．hand in B．have handed in C．handed in D．had handed in

A．until, stopped talk B．before, stopped talking C．while, stopped to talk D．because, stopped talking

此题为判断题(对，错)。