JN0-648 Online Practice Questions and Answers
Click the Exhibit button.
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 type mismatch.
B. There is an interface subnet mask mismatch.
C. There is an OSPF area mismatch.
D. There is an interface MTU mismatch.
You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops. You must ensure that all VLANs are loop free.
In this scenario, which statement is correct?
A. You must ensure that the VLANs are balanced between two different root bridges.
B. You must enable RSTP to account for all VLANs.
C. You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.
D. You must enable all VLANs, 2 through 300, under the VSTP configuration.
Click the Exhibit button.
The policy shown in the exhibit is applied as an export policy to your BGP neighborship. Which action will be taken for route 12.233.45.5?
A. It will rejected by term 2.
B. It will be accepted by term 1.
C. It will be accepted by the default policy.
D. It will be evaluated by the next policy.
You have configured class mode power management on an EX4300 to provide PoE power to telephone and security camera equipment. You want to ensure that security camera power takes priority over telephone power.
Which two actions would solve this problem? (Choose two.)
A. Connect the security cameras to the lowest port numbers on the switch.
B. Set the power priority to high on ports connected to security cameras.
C. Set the maximum power settings on ports connected to security cameras.
D. Set the power priority to low on ports connected to security cameras.
Click the Exhibit button.
You have a workstation and a VoIP phone connected to port ge-0/0/1 on an access switch. Referring to the exhibit, which two statements are true? (Choose two.)
A. Frames that exit interface ge-0/0/1 on the data VLAN will be tagged.
B. The phone will automatically be assigned a VLAN ID.
C. Voice frames that enter interface ge-0/0/1 will be forwarded as expedited forwarding traffic.
D. All frames that exit interface ge-0/0/1 will belong to the data VLAN.
Which type of BGP is used to peer with a different autonomous system?
A. external
B. classless
C. dynamic
D. static
Click the Exhibit button.
You are configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You must ensure that inbound traffic from Internet hosts flow through the ISP A connection.
Which statement is correct in this scenario?
A. Apply a BGP export policy to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of routes advertised to ISP B.
B. Apply a BGP export policy on R1 to assign a lower MED value to routes advertised to ISP A.
C. Apply a BGP export policy on R2 to assign a lower origin value to routes advertised to ISP B.
D. Apply a BGP export policy on R1 to assign a higher local preference value to routes advertised to ISP
A.
Click the Exhibit button.
Referring to the exhibit, how is R1 learning the route from R2?
A. R2 has an export policy with external type 2 configured.
B. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.
C. R2 has interface ge-0/0/2 configured in another area under OSPFv3.
D. R2 has an export policy with external type 1 configured.
When redistributing IGP routes into BGP, what information is used by default on Junos platforms to determine the BGP route's MED attribute value?
A. the IGP Metric
B. routing information base
C. the IGP route preference
D. route protocol source
Click the Exhibit button.
You are configuring the PVLAN feature on your switches. The PVLAN will span the two EX Series switches shown in the exhibit.
Which three configuration parameters must be enabled on the ports connecting the two switches? (Choose three.)
A. family inet
B. family ethernet-switching
C. inter-switch-link
D. interface-mode trunk
E. interface-mode access