Juniper JN0-100 問題集

質問 1：
Which two statements are true regarding the role of the Routing Engine (RE)? (Choose two.)
A. The RE implements class of service (COS).
B. The RE controls and monitors the chassis.
C. The RE manages the Packet Forwarding Engine (PFE).
D. The RE receives a copy of the forwarding table from the forwarding plane.
正解：B,C

質問 2：
Which three steps are part of the root password recovery process? (Choose three.)
A. Run the recovery script.
B. Reset the root password.
C. Reset the user passwords.
D. Reboot the device.
E. Load factory-default configuration.
正解：A,B,D

質問 3：
Which two commands may be used when configuring an IP address for a Gigabit Ethernet interface? (Choose two.)
A. set interfaces ge-0/0/0 address 10.1.1.1/24
B. set interfaces ge-0/0/0.0 family inet address 10.1.1.1/24
C. set interfaces ge-0/0/0 unit 0 family inet address 10.1.1.1/24
D. set interfaces ge-0/0/0.0 address 10.1.1.1/24
正解：B,C

質問 4：
-- Exhibit -
user@router> show route
inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
10.10.10.91/32 *[Direct/0] 00:09:40 > via lo0.0 10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1 > to 172.16.1.2 via ge-0/0/2.0 100.100.1.0/24 *[Static/5] 00:01:50 Reject 172.16.1.0/24 *[Direct/0] 00:06:09 > via ge-0/0/2.0 172.16.1.1/32 *[Local/0] 00:06:09 Local via ge-0/0/2.0 192.168.0.0/16 *[Aggregate/130] 00:00:06 Reject 192.168.0.0/17 *[Aggregate/130] 00:00:06 > to 172.16.1.2 via ge-0/0/2.0 192.168.50.0/24 *[Static/5] 00:00:06 > to 172.16.1.2 via ge-0/0/2.0 192.168.51.0/24 *[Static/5] 00:00:06 > to 172.16.1.2 via ge-0/0/2.0
user@router> show configuration policy-options
policy-statement demo {
term 1 {
from {
route-filter 192.168.0.0/16 longer accept;
}
then reject;
}
}
user@router> show configuration protocols ospf
export demo;
area 0.0.0.0 {
interface ge-0/0/2.0;
}
-- Exhibit --
Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy?
A. 192.168.50.0/24 and 192.168.51.0/24
B. 192.168.0.0/16 only
C. 192.168.0.0/17 only
D. 192.168.0.0/17, 192.168.50.0/24, and 192.168.51.0/24
正解：D

質問 5：
Which configuration causes RIP-learned routes to be advertised to other RIP neighbors?
A. top edit policy-options policy-statement demo set term 1 from active routes set term 1 then accept top set protocols rip group internal export demo
B. set protocols rip advertise in-out
C. set protocol rip no-passive
D. top edit policy-options policy-statement demo set term 1 from protocol rip set term 1 then accept top set protocols rip group internal export demo
正解：D

質問 6：
You must segment your internal 192.168.1.0/24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts.
Which network mask do you use?
A. /28
B. /26
C. /27
D. /29
正解：A

質問 7：
Which command will save the current active configuration as the rescue configuration?
A. user@router> request system configuration rescue save
B. user@router# save rescue configuration
C. user@router# save | rescue
D. user@router> file save rescue-configuration
正解：A

質問 8：
You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover.
Which routing protocol should you use in this scenario?
A. BGP
B. OSPF
C. static
D. RIP
正解：B