单项选择题

Which statement is true regarding the Junos OS?（）

A. The Junos kernel is based on the Solaris operating sytem
B. The Junos kernel is based on the GNU Zebra operating system
C. The Junos kernel is completely original and not based on any other operating system
D. The Junos kernel is based on the FreeBSD UNIX operating system

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单项选择题

Which command displays the amount of space available on the storage media（）

A. show chassis routing-engine
B. show system file-storage
C. file list
D. show system storage

多项选择题

You have been asked to establish reachibility between Router 1's and Router2's loopback addresses as shown in the exhibit.Which two steps will accomplish this task?（）

A. Create a static route on Router 1 to 192.17.28.1 with a next hop of 10.10.10.2
B. Create a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.1
C. Create a static route on Router 2 to 172.17.25.1 with a next hop of 10.10.10.1
D. Create a static route on Router 2 to 172.17.25.1 with a next hop of 10.10.10.2

单项选择题

What is the purpose of a network mask?（）

A. It is used to identify the maximum hop count of a subnetwork
B. It is used to identify an IP address as either private or public
C. It is used to identify the network to which an IP address belongs
D. It is used to identify the total number of bits present in an IP address