更多"Which command helps a network admin"的相关试题:
[单项选择]Which command helps a network administrator to manage memory by displaying flash memory and NVRAM utilization?（）
A. show secure
B. show file systems
C. show flash
D. show version
[单项选择]Which command will enable the administrator toquery the current network adapter configuration?（）
A. netstat -v
B. entstat -d
C. lsattr -El
D. lsdev -C -attr
[单项选择]Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in /backups?（）
A. lsmksysb -l /backups/server1.mksysb
B. showmksysb -f /backups/server1.mksysb
C. listvgbackup -f /backups/server1.mksysb
D. showvgbackup -l /backups/server1.mksysb
[单项选择]Which command will allow an administrator to view the primary and secondary dump devices?（）
A. sysdumpdev -l
B. dumpmgr -ALL
C. lsdev -Cc dump
D. diag -dump=show
[单项选择]Which command should an administrator use to put a system in maintenance mode without rebooting?（）
A. init 0
B. telinit m
C. shutdown -FM
D. sh /etc/rc.maint
[单项选择]When computers are connected on a network in a manner where the data flows to a central pointand then back out describes which of the following networks?（）
A. Ring
B. Mesh
C. Star
D. Hybrid
[单项选择]In a Routed 1483 network which method of routing is typically employed on the DSL router？（）
A. static
B. OSPF
C. RIPv1
D. RIPv2
[单项选择] An administrator issued a command to update thefirmware of an Ethernet adapter on a partitioned system, but received an error. What is the most likely cause of the problem?（）
A. The adapter must be taken offline prior to the firmware update.
B. The system has not been rebooted since the adapter was added to the LPAR.
C. The adapter must be assigned to the service partition prior to updating the firmware.
D. The adapter must be dynamically removed from the LPAR prior to updating thefirmware.
[单项选择]A system administrator types the command to change the hostname of a router. Where on the Cisco IFS is that change stored?（）
A. NVRAM
B. RAM
C. FLASH
D. ROM
E. PCMCIA
[单项选择]An administrator types in the command router ospf 1 and receives the er ror message: "OSPF process 1 cannot start." (Output is omitted.) What should be done to correctly set up OSPF？（）
A. Ensure that an interface has been configured with an IP address
B. Ensure that IP classless is enabled
C. Ensure that the interfaces can ping their directly connected neighbors
D. Ensure that an interface has been configured with an IP address and is up
[单项选择]Which Man class properly represents the relationship "Man has a best friend who is a Dog"?（）
A. class Man extends Dog { }
B. class Man implements Dog { }
C. class Man { private BestFriend dog; }
D. class Man { private Dog bestFriend; }
E. class Man { private Dog; }
F. class Man { private BestFriend; }
[单项选择]In network that support VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?（）
A. /24
B. /30
C. /27
D. /26
E. /32
[多项选择]When designing a converged network, which measures can be taken at the building access layer to help eliminate latency and ensure end-to-end quality of service can be maintained? （）
A. rate limit voice traffic
B. configure spanning-tree for fast link convergence
C. isolate voice traffic on separate VLANs
D. classify and mark traffic close to the source
[单项选择]An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm（）。
A. The PC has connectivity with a local host.
B. The PC has connectivity with a Layer 3 device.
C. The PC has a default gateway correctly configured.
D. The PC has connectivity up to Layer 5 of the OSI model.
E. The PC has the TCP/IP protocol stack correctly installed.
[单项选择]Which of the following helps protect important confidential information from being publiclydisclosed?（）
A. Hard drive wiping
B. Social Engineering
C. Classification
D. RAS server
