CMS专题
单选题Which of the following is TRUE about the ping -f command?（）AIt is useful for diagnosing data dependent problems by filling the packet with the byte pattern following the f in the command line. BIt is useful for flooding from slow character based termi
题目
It is useful for diagnosing data dependent problems by filling the packet with the byte pattern following the f in the command line.
It is useful for flooding from slow character based terminals since it only displays a dot . for each packet sent in fast mode.
It is useful for flooding from slow character based terminals since it only displays a dot . for each packet sent and a backspace on returned in fast mode.
The command can only be run by root.
相似问题和答案
第1题：
A. The job is enabled by default after creation
B. The job is automatically dropped after the end date
C. The job executes with the privileges of the user SYS
D. The globalization environment that exists at the time of the job creation prevails at the job runs
第2题：
A.TRACERT
B.IPCONFIG/ALL
C.NSLOOKUP
D.PING-T
第3题：
Regarding the extended ping command; which of the statements below are true?
(Select all valid answer choices)
A．The extended ping command is supported from user EXEC mode.
B．The extended ping command is available from privileged EXEC mode.
C．With the extended ping command you can specify the TCP and UDP port to be pinged.
D．With the extended ping command you can specify the timeout value.
E．With the extended ping command you can specify the datagram size.
解析：Explanation:
The extended ping command works only at the privileged EXEC command line.
Some of the extended ping command values include the datagram size and timeout value as shown:
Datagram size [100]: Size of the ping packet (in bytes). Default: 100 bytes.
Timeout in seconds [2]: Timeout interval. Default: 2 (seconds). The ping is declared successful only if the ECHO REPLY packet is received before this time interval.
Incorrect Answers:
A. Regular pings are available in both user and privileged mode, but not extended pings.
C. Ports can not be specified.
第4题：
The following configuration command was issued on router TK1:ip route 172.16.3.0 255.255.255.0 192.168.2.1.Which of the following statements are true regarding this command?（）
- A、The command is used to establish a static route.
- B、The default administrative distance is used.
- C、The command is used to configure the default route.
- D、The subnet mask for the source address is 255.255.255.0
- E、The command is used to establish a stub network
正确答案:A,B
第5题：
A.There are at least two routers participating in the RIP process.
B.A ping to 192.168.168.2 will be successful.
C.A ping to 10.0.15.2 will be successful.
D.RtrA has three interfaces participating in the RIP process.
第6题：
A. The submit command exits the GUI.
B. The submit command reboots the WX device.
C. The submit command saves and writes the configuration to flash.
D. The submit command is the same as the commit CLI command.
第7题：
A. The default administrative distance is used.
B. The command is used to establish a static route.
C. The command is used to configure the router interfaces.
D. The command is used to establish a stub network.
E. The subnet mask for the source address is 255.255.255.0
第8题：
A. The job is enabled by default after creation
B. The job is automatically dropped after the end date
C. The job executes with the privileges of the user SYS
D.
第9题：
B.Language is symbol
C.Animals also have language
D.Language is arbitrary
本题要求选不正确的，C选项，动物也有语言，错误。语言是人类在交际中使用的一套任意的声音符号系统。动物没有语言，动物只是本能发出声音。综上，应选C。
A选项，系统的，故排除。
B选项，符号，故排除。
D选项，任意的，故排除。
故正确答案为C项。
第10题：
Which of the following commands would result in the following output： M.M.M（）。
- A、Ping 10.1.1.1 Data Pattern M
- B、Ping 10.1.1.1 timeout 0
- C、Ping 10.1.1.1 size 1500 df-bit
- D、Ping 10.1.1.1 source loopback 0
- E、Ping 10.1.1.1 size 1500
- F、Ping 10.1.1.1 size 1500 Strict
正确答案:C