单项选择题

What is a valid option when using the ping command?（）

A. packet loss
B. packet size
C. CRC
D. TCP port

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单项选择题

Which class-of-service component allows you to define the bandwidth allocated to different traffic types?（）

A. classificatoin
B. rewrite marking
C. scheduling
D. queueing

多项选择题

What are three valid match criteria in a firewall filter applied to a Layer 3 interface?（）

A. IP address
B. MAC address
C. protocol
D. port
E. session ID

单项选择题

When considering the default behavior of Junos plattforms, which statement is true about archiving configurations?（）

A. A system log message is generated, confirmed the transfer attempt
B. The destination filename format can be altered by configuration
C. The frequency the system archives the configuration cannot be changed
D. An archive log is created to track transfer attempts both failed and successfull