更多"What command instructs the device t"的相关试题:
[单项选择]What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?（）
A. ping
B. tracert
C. netstat
D. show cdp neighbors detail
E. show ip route
F. traceroute
[单项选择]Which command is used to restore a Junos device to its default state?（）
A. load factory-default
B. load override factory-default
C. load replace default
D. load set default
[单项选择]What command visualizes the general NetFlow data on the command line?（）
A. show ip flow export
B. show ip flow top-talkers
C. show ip cache flow
D. show mls sampling
E. show mls netflow ip
[单项选择]Which command should you use to verify what networks are being routed by a given OSPF process（）
A. show ip ospf
B. show ip route
C. show ip protocol
D. show ip ospfdatabase
E. None of the other alternatives apply
[单项选择]Which CLI command provides a summary of what the content-filtering engine has blocked?（）
A. show security utm content-filtering statistics
B. show security flow session
C. show security flow statistics
D. show security utm content-filtering summary
[单项选择]What is a global command?（）
A. a command that is set once and affects the entire router
B. a command that is implemented in all foreign and domestic IOS versions
C. a command that is universal in application and supports all protocols
D. a command that is available in every release of IOS, regardless of the version or deployment status
E. a command that can be entered in any configuration mode
[单项选择]What information does the help reference command provide?（）
A. A brief description of commands and their default values
B. The serial number and version number of the device used to open a support case with JTAC
C. A list of all the active hardware alarms on the device
D. A display of the current configuration while in operational mode
[单项选择]What information does the help topic command provide?（）
A. router’s version and serial number to help open a case with JTAC
B. software documentation describing features and configuration tasks within JUNOS
C. a brief description of commands and their default values
D. a verification of the current configuration on the router
[单项选择]What monitoring device best indicates the load being carried by a diesel engine?（）
A. Lube oil pressure gauge
B. Jacket water temperature gauge
C. Tachometer
D. Exhaust pyrometer
[单项选择]What does the command show compare rollback 1 display?（）
A. the difference between the current candidate configuration and the candidate configuration from one commit ago
B. the difference between the current active configuration and the current candidate configuration
C. the difference between the current active configuration and the active configuration from one commit ago
D. the difference between the current candidate configuration and the archived configuration from one commit ago
[单项选择]What is the correct command to display the current working directory?（）
A. echo $PWD
B. echo $pwd
C. echo $CWD
D. echo $cwd
[单项选择]What is the function of the command switchport trunk native vlan 999 on a switch?（）
A. It designates VLAN 999 for untagged traffic.
B. It blocks VLAN 999 traffic from passing on the trunk.
C. It creates a VLAN 999 interface.
D. It designates VLAN 999 as the default for all unkown tagged traffic.
