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JN0-648 Topics
The Juniper JN0-648 exam covers several topics about networking technologies including the following:
- Class of Service (CoS);
- Concepts and functionality of IGPs (Interior Gateway Protocols);
- Components of Ethernet Switching and Spanning Tree;
- Configuring and troubleshooting IP Multicast;
- The functionality of Junos EVPN.
- Teams and functionality of BGP;
- Features of Layer 2 Authentication and Access Control;
What is the duration of the Juniper JN0-648: Enterprise Routing and Switching, Professional (JNCIP-ENT) Exam
- Number of Questions: 65
- Language: English
- Length of Examination: 120 minutes
- Format: Multiple choices, multiple answers
NEW QUESTION 34
Click the Exhibit button.
There is a functioning OSPFv3 neighborship between Router-1 and Router-2 over the ge-0/0/1 link. However, the 172.100.100.0/24 and 172.101.101.100/24 routes are not being shared through OSPFv3.
Referring to the configuration shown in the exhibit, which two actions must you take to solve the problem?
(Choose two.)
- A. Add interface ge-0/0/1 under the IPv4 unicast realm for both routers.
- B. Add the lo0 interface under OSPFv3 for both routers.
- C. Add the IPv6 family protocol under ge-0/0/2 for both routers.
- D. Add interface ge-0/0/2 under OSPFv3 for both routers.
Answer: A,C
NEW QUESTION 35
Exhibit:
Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)
- A. The supplicant is not authenticated using 802. 1X
- B. EAPoL traffic will not be sent out of the use ge-0/0/1 interface
- C. EAPoL traffic will be sent out of the ge-0/0/1 interface.
- D. The supplicant is authenticated using 802. 1X
Answer: A,C
NEW QUESTION 36
Exhibit.
You are adding VNI 101 to your EVPN-VXLAN network, but traffic is not being sent to received.
Referring to the exhibit, which configuration statement will solve the problem?
- A. set routing-instances EVPN1 instance-type evpn
- B. set routing-instances EVPN1 vrf-table-label
- C. set routing-instances EVPN1 bridge-domains BD-101 vxlan vni 101
- D. set routing-instances EVPN1 vxlan encapsulate-inner-vlan
Answer: C
NEW QUESTION 37
Exhibit:
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 region name is not correct
- B. The revision number is the same on both devices
- C. You must assign a context ID number other than zero
- D. The MSTI-to-VLAN mapping does not match
Answer: D
NEW QUESTION 38
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 MTU mismatch.
- B. There is an interface type mismatch.
- C. There is an OSPF area mismatch.
- D. There is an interface subnet mask mismatch.
Answer: A
NEW QUESTION 39
Exhibit.
Referring to the exhibit, how is R1learning theroute from R2?
R2 has an export policy with external type 2 configured.
- A. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.
- B. R2 has an interface policy with external type 1 configured.
- C. R2 has interface ge-0/0/2 configured in another area under OSPFv3.
- D. R2 has interface ge-0/0 configured as a passive interface under OSPFv3.
Answer: B
NEW QUESTION 40
When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)
- A. count
- B. log
- C. sustain
- D. permit
- E. move
Answer: C,D,E
Explanation:
Explanation
NEW QUESTION 41
Click the Exhibit button.
You receive the same 75.100.0.0/16 route from all four ISPs to which you are connected.
Referring to the exhibit, which ISP's route will be selected as active?
- A. ISP-A
- B. ISP-D
- C. ISP-C
- D. ISP-B
Answer: B
NEW QUESTION 42
Click the Exhibit button.
Referring to the exhibit, how is R5 able to learn the networks that exist within the NSSA?
- A. R5 does not learn those networks but uses a default route advertised by R2 instead.
- B. R5 does not learn those networks and uses a default route advertised by R3 instead.
- C. R5 learns those networks from Type 3 LSAs advertised by R2.
- D. R5 learns those networks from Type 3 LSAs advertised by R3.
Answer: A
NEW QUESTION 43
Exhibit:
Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?
- A. 90 seconds
- B. 200 seconds
- C. 400 seconds
- D. 120 seconds
Answer: D
NEW QUESTION 44
Which BGP message type contains NLRI information?
- A. notification
- B. update
- C. keepalive
- D. open
Answer: B
NEW QUESTION 45
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 onR2to assign a lower origin value to 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 to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of 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
Answer: C
NEW QUESTION 46
Click the Exhibit button.
There is a functioning OSPFv3 neighborship between Router-1 and Router-2 over the ge-0/0/1 link.
However, the 172.100.100.0/24 and 172.101.101.100/24 routes are not being shared through OSPFv3.
Referring to the configuration shown in the exhibit, which two actions must you take to solve the problem?
(Choose two.)
- A. Add interface ge-0/0/1 under the IPv4 unicast realm for both routers.
- B. Add the lo0 interface under OSPFv3 for both routers.
- C. Add the IPv6 family protocol under ge-0/0/2 for both routers.
- D. Add interface ge-0/0/2 under OSPFv3 for both routers.
Answer: A,C
NEW QUESTION 47
Which two statements about BGP communities are true? (Choose two.)
- A. A BGP device can set, append, or modify the community of a route.
- B. A prefix can only belong to one community.
- C. A prefix can belong to more than community.
- D. A community is not a transitive attribute.
Answer: A,C
NEW QUESTION 48
You have multiple BGP routes to the same prefix with equal local-preference values and AS-path lengths.
In this scenario, which route will be preferred in the route selection process?
- A. The route with the most preferred origin value.
- B. The route with the least preferred origin value.
- C. The route with the lowest MED value.
- D. The route with the highest MED value.
Answer: A
NEW QUESTION 49
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 1 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 2 configured.
Answer: A
NEW QUESTION 50
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. the IGP route preference
- B. route protocol source
- C. routing information base
- D. the IGP Metric
Answer: D
NEW QUESTION 51
Exhibit:
Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)
- A. The supplicant is not authenticated using 802. 1X
- B. EAPoL traffic will not be sent out of the use ge-0/0/1 interface
- C. EAPoL traffic will be sent out of the ge-0/0/1 interface.
- D. The supplicant is authenticated using 802. 1X
Answer: A,C
NEW QUESTION 52
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