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質問 1：
Click the Exhibit button.
You are configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You need all outbound traffic to egress the network through the link to ISP B by default. The ISPs should not be able to override this behavior through BGP attributes.
Which BGP attribute would you modify on the ISP-received routes to accomplish this objective?
A. MED
B. local preference
C. origin
D. next-hop
正解：B
質問 2：
Exhibit.
Your IS-IS adjacency is not established as shown in the exhibit. What is the problem?
A. There is an area mismatch
B. There is an invalid IPv6 router ID
C. There is an MTU mismatch
D. There is an invalid IPv4 router ID
正解：A
質問 3：
Your network is configured for EVPN load balancing on three different access switches During an outage, you notice that not all interfaces are receiving traffic as expected Which two requirements would you validate to identify this problem? (Choose two )
A. Validate that all-active is configured for only one interface per switch.
B. Validate that the same esi value is only configured on one interface per switch.
C. Validate that the same esi value is configured on multiple interfaces on all switches.
D. Validate that the all-active flag is configured for multiple interfaces on each switch.
正解：B,D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4：
When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)
A. count
B. sustain
C. permit
D. log
E. move
正解：B,C,E
解説: (Pass4Test メンバーにのみ表示されます)
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 until it reaches a predefined, after which it begins to forward traffic.
B. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.
C. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.
D. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.
正解：D
質問 6：
Click the Exhibit button.
You have configured MSTP in your Layer 2 network. You are having problems with it establishing correctly.
Referring to the exhibit, what is causing the problem?
A. The MSTI-to-VLAN mapping does not match
B. The revision number is the same on both devices
C. You must assign a context ID number other than zero
D. The region name is not correct
正解：A
質問 7：
You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down.
Which route type is used in this scenario?
A. Type 5
B. Type 3
C. Type 1
D. Type 2
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
Click the Exhibit button.
You are configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You need all outbound traffic to egress the network through the link to ISP B by default. The ISPs should not be able to override this behavior through BGP attributes.
Which BGP attribute would you modify on the ISP-received routes to accomplish this objective?
A. MED
B. local preference
C. origin
D. next-hop
正解：B
質問 2：
Exhibit.
Your IS-IS adjacency is not established as shown in the exhibit. What is the problem?
A. There is an area mismatch
B. There is an invalid IPv6 router ID
C. There is an MTU mismatch
D. There is an invalid IPv4 router ID
正解：A
質問 3：
Your network is configured for EVPN load balancing on three different access switches During an outage, you notice that not all interfaces are receiving traffic as expected Which two requirements would you validate to identify this problem? (Choose two )
A. Validate that all-active is configured for only one interface per switch.
B. Validate that the same esi value is only configured on one interface per switch.
C. Validate that the same esi value is configured on multiple interfaces on all switches.
D. Validate that the all-active flag is configured for multiple interfaces on each switch.
正解：B,D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4：
When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)
A. count
B. sustain
C. permit
D. log
E. move
正解：B,C,E
解説: (Pass4Test メンバーにのみ表示されます)
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 until it reaches a predefined, after which it begins to forward traffic.
B. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.
C. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.
D. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.
正解：D
質問 6：
Click the Exhibit button.
You have configured MSTP in your Layer 2 network. You are having problems with it establishing correctly.
Referring to the exhibit, what is causing the problem?
A. The MSTI-to-VLAN mapping does not match
B. The revision number is the same on both devices
C. You must assign a context ID number other than zero
D. The region name is not correct
正解：A
質問 7：
You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down.
Which route type is used in this scenario?
A. Type 5
B. Type 3
C. Type 1
D. Type 2
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
爱内** -
一からの学習にも試験直前の学習にも使えるJN0-648問題集だと思う。初学者も再挑戦者も効率的に学習を進められます！