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JN0-102 问题列表
问题
单选题What information is used by a switch to forward an Ethernet frame to its destination?（）A
IP addressB
destination MAC addressC
ARP table entryD
FCS checksum
问题
多选题What are three terminating actions for firewall filters?（）ArejectBdropCpermitDacceptEdiscard
问题
单选题When considering the default behavior of Junos platforms, which statement is true about archiving configurations?（）A
A system log message is generated, confirming 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 successful.
问题
多选题What are three characteristics of UDP?（）AUDP is faster than TCPBUDP operates at the Transport LayerCUDP is connection-orientedDUDP data is sent best-effortEUDP is more reliable than TCP
问题
单选题Which command do you use to go from the shell prompt to the CLI prompt?（）A
run cliB
cliC
start cliD
edit
问题
单选题Which command do you use to display the messages seen during the last system boot?（）A
show system boot-messagesB
show chassis messagesC
show file system boot-messagesD
show boot-log messages
问题
多选题You are modifying the default route preference under the [edit protocols] hierarchy.In which two routing information sources can you change the default preference value?（）AlocalBOSPFCdirectDBGP
问题
单选题Which operational command would you use to quickly verify the state of all interfaces?（）A
show interfaces terseB
show interfacesC
show configuration interfacesD
show interface status
问题
单选题Which protocol creates a complete database of the network topology prior to calculating the optimal route?（）A
BGPB
PIMC
OSPFD
RIP
问题
单选题The IP address 192.168.100.1 belongs to which class of IP address space?（）A
Class AB
Class BC
Class CD
Class D
问题
多选题What are three benefits of class of service?（）AIt can make a slow network faster.BIt can prioritize latency-sensitive traffic.CIt can eliminate congestion.DIt can control congestion.EIt can allocate bandwidth for different classes of traffic.
问题
多选题Which two statements are true about firewall filter configurations?（）AMultiple action modifiers can be included in the same term.BOnly a single action modifier can be included in the same term.CThe default term within a firewall filter uses the discard action.DThe default term within a firewall filter uses the reject action.
问题
单选题During a password recovery, what is the next step after configuring the system to boot into single- user mode?（）A
Reset the root password.B
Press the space bar.C
Type recovery.D
Press the Enter key.
问题
单选题What represents the binary equivalence of 207?（）A
11001111B
11101011C
11010111D
11010101