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 interface with another
B. Process share memory space but separate ASICs so that one process cannot directly interfere with another
C. A central processor called the IP2 chip dynamically assings memory as process needs fluctuate
D. The memory management daemon (mmd) is responsible for allocating new memory for process as they request it


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1.单项选择题What must be configured prior to the first commit after factory defaults are loaded?()

A. root authentication
B. default gateway
C. hostname
D. management services

2.多项选择题Which two fields are found in an Ethernet frame header?()

A. TTL
B. flags
C. checksum
D. type

3.多项选择题You have been asked to configure your router to send link-related SNMP trap notifications to the network managemetn system (NMS) located at address 172.16.17.1.Which two commands are required?()

A. set snmp trap-group my-trap-group targets 172.16.17.1
B. set snmp targets 172.16.17.1
C. set snmp trap-group my-trap-group link-status
D. set snmp trap-group my-trap-group categories link

4.单项选择题Which command is used to enable access to J-Web using HTTPS?()

A. set system remote-access provle https
B. set services remote-access profile j-web-https
C. set system services web-management https
D. set services web-management j-web-https

5.单项选择题Which user authenticaton method is supported by the Junos OS as the last resort alternative?()

A. TACACS+
B. RADIUS
C. local user database
D. enable password

7.多项选择题Which three steps are parts of the root password recovery process?()

A. Reboot the device
B. Run the recovery script
C. Reset the root password
D. Reset the user passwords
E. Load factory-default configuration

8.单项选择题What are the usable host on the 96.6.128.0/19 network?()

A. 96.6.128.1 through 96.6.143.254
B. 96.6.128.128 through 96.6.134.254
C. 96.6.128.0 through 96.6.134.254
D. 96.6.128.1 through 96.6.159.254

9.多项选择题Which two statements are true regarding trace options on Junos devices?()

A. You can see the contents of the log file by entering the show log <filename> command
B. Trace options will send information to your screen automatically
C. Trace options are limited to one protocol at a time
D. The file name and set of flags may be specified when enabling trace options