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| Section | Weight | Objectives |
|---|---|---|
| Intermediate System to Intermediate System (IS-IS) | 10-15% | - PDUs and TLVs - Metrics and wide metrics - Configuration and monitoring - Adjacencies and levels |
| Tunnels | 5-8% | - GRE and IP-IP tunnels - Tunnel configuration and usage |
| Protocol-Independent Routing | 10-15% | - Load balancing - Martian addresses - Filter-based forwarding - Static, aggregate, and generated routes - Routing instances and RIB groups |
| IPv6 | 8-12% | - Autoconfiguration - Static and dynamic routing - Address types and format - OSPFv3 and BGP for IPv6 |
| High Availability | 5-8% | - NSR and GRES concepts - Graceful restart - Nonstop active routing |
| Border Gateway Protocol (BGP) | 20-25% | - IBGP and EBGP - Configuration and troubleshooting - Policy and route filtering - Path selection and attributes - Basic operation and message types |
| Multiprotocol Label Switching (MPLS) | 12-18% | - Terminology and forwarding - LDP and RSVP - Segment routing basics - Labels and LIB - Configuration and monitoring |
| Spanning Tree Protocols | 8-12% | - STP, RSTP, MSTP, VSTP - BPDU and protection features - Configuration and convergence - Port roles and states |
| Layer 2 Bridging and VLANs | 8-12% | - Service provider switching features - VLANs and trunking - Bridging concepts |
| Open Shortest Path First (OSPF) | 15-20% | - Link-state database - Configuration and troubleshooting - LSA types and operation - Areas and router types |
퍼펙트한Juniper JN0-364시험대비덤프자료는 ITDumpsKR가 전문입니다. Juniper JN0-364덤프를 다운받아 가장 쉬운 시험준비를 하여 한방에 패스가는것입니다. 다같이 Juniper JN0-364덤프로 시험패스에 주문걸어 보아요. 마술처럼Juniper JN0-364시험합격이 실현될것입니다.
질문 # 112
Click the Exhibit button.
All devices in the network are configured correctly and the path requirements are valid.
Referring to the exhibit, which two statements are correct? (Choose two.)
정답：C,D
질문 # 113
Exhibit:
user@R1> show route 10.16.2.0/23 exact detail
inet.0: 12 destinations, 12 routes (11 active, 0 holddown, 1 hidden)
10.16.2.0/23 (1 entry, 1 announced)
*Aggregate Preference: 130
Next hop type: Reject
Address: 0x8f3fd44
Next-hop reference count: 2
State: <Active Int Ext>
Age: 1:39:21
Task: Aggregate
Announcement bits (1): 0-KRT
AS path: I (LocalAgg)
Flags: Depth: 0 Active
AS path list:
AS path: I Refcount: 2
Contributing Routes (2):
10.16.2.0/24 proto Direct
10.16.3.0/24 proto Direct
Which destination IP address will be matched by the aggregate route shown in the exhibit?
정답：B
설명：
In the Juniper Networks Junos operating system,aggregate routesare used to represent a group of more specific routes with a single, shorter prefix. This technique is essential for reducing the size of routing tables and minimizing the volume of routing updates sent to neighbors. According to Juniper technical documentation, for a destination IP address to "match" a specific route, it must fall within the range defined by the network address and its associated CIDR mask.
The provided exhibit shows a detailed lookup for the aggregate route$10.16.2.0/23$. To determine the range of IP addresses covered by a $/23$ mask, we examine the binary representation of the third octet. A $/23$ mask means the first 23 bits are fixed. For the address $10.16.2.0$:
* The first two octets ($10.16$) are fixed.
* The third octet ($2$) is $00000010$ in binary.
* The 23rd bit is the second-to-last bit of this octet.
* The $/23$ range allows the 24th bit (the last bit of the third octet) and all 8 bits of the fourth octet to vary.
This results in a range where the third octet can be either $2$ ($00000010$) or $3$ ($00000011$). Therefore, the aggregate route $10.16.2.0/23$ covers all IP addresses from$10.16.2.0$ to $10.16.3.255$. The exhibit further confirms this by listing the "Contributing Routes": $10.16.2.0/24$ and $10.16.3.0/24$.
Analyzing the provided options against this range:
* 10.16.3.79 (Option A):This address falls squarely within the $10.16.2.0$ to $10.16.3.255$ range.
* 10.16.0.4 (Option B):This address falls in the $10.16.0.0/23$ range ($0.0$ to $1.255$).
* 10.16.4.183 (Option C):This address falls in the $10.16.4.0/23$ range ($4.0$ to $5.255$).
* 10.16.1.214 (Option D):This address also falls in the $10.16.0.0/23$ range.
Consequently,10.16.3.79is the only destination listed that matches the aggregate route shown. It is also important to note theNext hop type: Rejectin the exhibit; this means that if a packet matches the aggregate but does not match any of the more specific contributing routes, the router will drop the packet and send an ICMP unreachable message to the source.
질문 # 114
You are configuring BGP for IPv6 operations. In this scenario, which two statements are correct? (Choose two.)
정답：B,D
설명：
When implementingMultiprotocol BGP (MP-BGP)for IPv6, several architectural constants remain consistent with the original BGP design, while others have evolved to accommodate larger network scales.
Router ID (Option C):
A critical point in Juniper's Service Provider documentation is that theBGP Router IDremains a32-bit value, even when the protocol is carrying 128-bit IPv6 prefixes. The Router ID is typically represented in dotted- quad notation (e.g., 192.168.1.1). In an IPv6-only environment, a Juniper router cannot automatically derive this ID from an interface address, so it must be manually defined under [edit routing-options]. This 32-bit ID is essential for BGP tie-breaking and loop prevention within the AS.
Autonomous System Number (Option D):
TheAutonomous System Number (ASN)was originally a 16-bit value (0 to 65535). However, to address the exhaustion of available ASNs, the standard was extended to32-bit ASNs(documented in RFC 6793). In Junos OS, you can configure BGP using either the older 16-bit format or the newer 32-bit format (often represented in "asplain" or "asdot" notation). While the question mentions a 64-bit value, there is currently no standard for a 64-bit ASN in BGP; the transition from 16-bit to 32-bit satisfies current global scalability needs. Therefore, Option D is the most accurate within the context of current networking standards, as it acknowledges the coexistence of different ASN lengths.
질문 # 115
Which two statements are correct about default BGP route propagation? (Choose two.)
정답：A,C
질문 # 116
What happens if an IS-IS router receives a link-state PDU with a higher sequence number than the one in its database?
정답：B
설명：
When an IS-IS router receives a link-state PDU with a higher sequence number than the version stored in its link-state database, it recognizes the received LSP as newer information. The router updates its own database with this newer LSP and then floods it to its other neighbors to ensure the updated topology information is propagated throughout the network.
질문 # 117
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