JN0-102 Exam Questions PDF - Juniper JN0-102 Top dumps
                     Juniper
JN0-102
Junos, Associate (JNCIA-Junos)
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 387 
AQfUteEr SisTsIuOinNg :t he show interfaces terse command, you notice that the status of one 
interface is "up down". What does this indicate? 
 
 
A. Layer 1 on the interface is up but Layer 2 is down. 
B. Layer 2 on the interface is up but Layer 3 has not been configured. 
C. The interface is administratively up but the link status is down. 
D. The interface is up but has been administratively turned off.  
 
 
C 
 Answer: 
TEhxep ltahne aatdiomni:n istratively status is displayed in column 1, and the link status is displayed 
in column 2. 
Example: 
user@host> show interfaces terse t1* Interface Admin Link Proto Local Remote 
t1-1/0/0 down up --- administratively disabled t1-1/0/0.0 up down inet 1.1.1.1/30 
t1-1/0/1 up down --- physical layer down  
 
References: 
1status-displaying.html 
 
 
 388 
QYoUuE sSuTspIeOcNt a:  duplicate MAC address on a subnet. You want to display the MAC, 
errors, and statistics of the ge-0/0/0 interface. Which command will accomplish this 
task? 
 
 
A. show arp 
B. show interface ge-0/0/0 extensive 
C. show ethernet-switching table 
D. show interface terse  
 
 
B 
A nswer: 
 
 389 
QYoUuE hSaTvIeO enNa:b led traceoptions to log error messages. You want to have the messages 
displayed to your terminal session automatically as they occur. Which command should 
you use in this scenario? 
A. request message terminal 
B. file show 
C. file list 
D. monitor start  
 
 
D 
 Answer: 
 
 390 
WQUhiEchS TcoIOmNm:a nd would correctly define a router's host-name? 
 
 
A. # set ip host-name  
B. > set ip host-name  
C. # set system host-name  
D. > set system host-name   
 
 
C 
 Answer: 
CEoxnpfliagnuartei othne:  hostname, using the set system host-name command. [edit] 
user@host# set system host-name newton-re0 
 
 
 
 391 
QWUhiEchS TsoIOurNce:  of routing information is preferred by default? 
 
 
A. static 
B. RIP 
C. direct 
D. BGP  
 
 
C 
 Answer: 
 
 392 
FQoUr EthSeT inIOteNrfa: ce ge-1/2/3.4, what does "ge" represent? 
A. SONET/SDH 
B. Gigabit Ethernet 
C. Aggregated Ethernet 
D. GRE  
 
 
B 
 Answer: 
 
 393 
WQUhiEchS TthIrOeeN S: ONET network elements are used for troubleshooting? (Choose three.) 
 
 
A. line 
B. path 
C. circuit 
D. section 
E. segment  
 
 
A, B, D 
A nswer: 
ESexcptiloann,a ltiinoen,: a nd path errors occur over different spans of the SONET network and 
between different pieces of equipment. 
 
 
 
 394 
QWUhiEcSh TtwIOo Nst:a tements describe the default behavior for OSPF? (Choose two) 
 
 
A. OSPF imports all routes into the inet4.0 routing table. 
B. OSPF exports all static routes into the OSPF database. 
C. OSPF imports all routes into the inet.0 routing table. 
D. OSPF does not export static routes into the OSPF database.  
 
 
C, D 
A nswer: 
 
 
 395 
QWUhiEcSh TtwIOo Nop: tions are reasons for using traffic classification? (Choose two.) 
 
 
A. to use the classification to route traffic 
B. to use the classification to reorder packets from various sources 
C. to use the classification to discard malformed packets 
D. to use the classification to provide the configured service level  
 
 
A, D 
 Answer: 
CElxapslsaifnicaatitoionn:  entails using a traffic descriptor to categorize a packet within a specific 
group to define that packet and make it accessible for QoS handling on the network. 
Using packet classification, you can partition network traffic into multiple priority levels 
or classes of service. 
 
 
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