单项选择题

Which statement is true regarding the Junos OS?（）

A. All platforms running the Junos OS use the same source code base
B. All platforms running the Junos OS use the same PFE
C. All platforms running the Junos OS use a hard drive to optimize syslog data storage
D. All platforms running the Junos OS use a separate process with protected memory space for each routing protocol

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单项选择题

Which statement is true regarding the Junos OS?（）

A. The Junos kernel is based on the Solaris operating system.
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.

单项选择题

Which statement is true regarding the Junos OS?（）

A. Each process runs in its own protected memory space ensuring that one process cannot directly interfere with another.
B. Processes share memory space but use separate ASICs so that one process cannot directly interfere with another.
C. A central processor called the IP2 Chip dynamically assigns memory as process needs fluctuate.
D. The memory management daemon (mmd) is responsible for allocating new memory for processes as they request it.

单项选择题

Which account is used to access a Junos device in factory-default configuration?（）

A. root
B. admin
C. juniper
D. user