Juniper JN0-648 問題集

質問 1：
Exhibit.

Referring to the exhibit, which two statements are true with regards to deploying CoS? (Choose two.)
A. You should apply BA classifiers on the LAN-facing interfaces of the routers
B. You should apply MF classifiers on the LAN-facing interfaces of the routers
C. You should apply MF classifiers on the point-to-point interfaces of the routers
D. You should apply BA classifiers on the point-to point interfaces of the routers.
正解：B,D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Exhibit.

YourNet is learning the 210.210.40.0/24 route from Provider A and Provider B YourNet would like to forward traffic destined to the 210.210.40.0/24 networking using Provider B.
Referring to the exhibit, how would you accomplish this task?
A. Add the well-known no-export community to the routes learned through R1.
B. Add the well-known no-export community to the routes learned through R2.
C. Apply an export policy to R2's IBGP peers to set a Their local preference.
D. Apply an export policy to R1's IBGP peers to set a higher local preference.
正解：C

質問 3：
You are deploying IP phones in your Layer 2 network and are asked to ensure that the switch sends VLAN and CoS information to the IP phones automatically.
In this scenario, which protocol should be used?
A. LLDP_MED
B. PoE
C. LLDP
D. PoE+
正解：A

質問 4：
Exhibit.

A router is attempting to form an OSPF neighborship with another router However, the OSPF neighborship fails to establish completely Referring to the exhibit, what is the problem?
A. There is an interface subnet mask mismatch
B. There is an OSPF area mismatch
C. There is an interface MTU mismatch
D. There is an interface type mismatch
正解：C

質問 5：
You are implementing 802.1x access control in your network of EX Series switches. You have some older client devices connecting to your network which do not support 802.1x.
Which statement is true regarding the older devices?
A. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.
B. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.
C. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.
D. By default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.
正解：B

質問 6：
When redistributing IGP routes into BGP. what information .s used by default on Junos platforms to determine the BGP route's MED attribute value?
A. routing information base
B. the IGP route preference
C. the IGP Metric
D. route protocol source
正解：C

質問 7：
Exhibit.

Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2 will be active in the routing table?
A. 2
B. 3
C. 8
D. 5
正解：B

質問 8：
Click the Exhibit button.

Referring to the exhibit, you must advertise the 100.0.0.0/16 routes from AS1 to AS2, but R2 is not advertising any BGP routes to R5.
Why is this happening in this scenario?
A. The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.
B. The IBGP routes will not be advertised because the AS path shows as incomplete.
C. The IBGP routes are not active and EBGP will advertise only active routes.
D. The IBGP routes are not active because the next hop is not reachable.
正解：C
解説: (Topexam メンバーにのみ表示されます)