What is the correct command to display the current working d

第1题：

What is the purpose using the traceroute command?（）

• A、to map all the devices on a network.
• B、to display the current TCP/IP configuration values.
• C、to see how a device MAC address is mapped to its IP address.
• D、to see the path a packet will take when traveling to a specified destination.
• E、to display the MTU values for each router in a specified network path from source to a destination.

第2题：

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

第3题：

第4题：

What command will display the network configuration of an Ethernet adapter？（）

• A、lsdev
• B、lscfg
• C、entstat
• D、ifconfig

第5题：

What accurately describes the usage of a Cisco AutoQoS command？（）

• A、on Catalyst switches， the show auto discovery qos command is used to display the data collected during the Auto-Discovery phase
• B、on Catalyst switches， the show auto qos command is used to display packet statistics of all classes that are configured for all service policies
• C、on Cisco routers， the show mls qos maps command is used to verify the CoS-to-DSCP maps for egress packet queuing
• D、on Cisco routers， the show auto qos command is used to display the AutoQoS interface templates， policy maps， class maps， and ACLs

第6题：

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 etween the current active configuration and the active configuration from the one commit ago
• 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

第7题：

linux系统中，以下显示结果不同的是（）。

• A、echo The current working path is $PWD.
• B、echo 'The current working path is $PWD.'
• C、echo "The current working path is $PWD."
• D、echo "The current working path is `pwd`."

第8题：

第9题：

You wish to upgrade the IOS of a router without removing the image currently installed.What command will display the amount of memory that is being used by the current IOS image and whether there is enough room available to hold both the current and new images?（）

• A、Router# show version
• B、Router# show flash
• C、Router# show memory
• D、Router# show buffers
• E、Router# show running-config
• F、All of the above

第10题：

A new system has been installed and the network connection is very slow. The network administrators are sure that the network port is set to 100 full duplex. What command will display the configured and current speed settings of the adapter?（）

• A、lsdev
• B、lsattr
• C、entstat
• D、ifconfig