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| Section | Objectives |
|---|---|
| Topic 1: WAN and VPN Technologies | - MPLS fundamentals
|
| Topic 2: IPv6 and Advanced IP Technologies | - IPv6 deployment
|
| Topic 3: Enterprise Network Architecture | - Network design principles
|
| Topic 4: Network Security and QoS | - Security mechanisms
|
| Topic 5: Routing and Switching Technologies | - Switching technologies
|
| Topic 6: Network Automation and Programmability | - SDN and automation
|
| Topic 7: Data Center and Virtualization Technologies | - VXLAN and overlay networks
|
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NEW QUESTION # 134
The basic header length of an IPv6 message is a fixed value.
Answer: B
NEW QUESTION # 135
Which of the following inter-AS MPLS L3VPN solutions need VPN user data packets to carry MPLS labels when being forwarded between ASs?
Answer: B,C
Explanation:
There arethree standard inter-AS MPLS VPN options, as per RFC 4364:
Option A (Back-to-Back VRF):
VRFs are directly connected between ASBRs using routing exchange (like static/BGP).
No label switching between ASs -no MPLS label neededbetween ASs.
Option B (EBGP Label Exchange):
ASBRs exchange labeled VPNv4 routes via EBGP.
One MPLS label is required -MPLS forwarding across AS boundaryis used.
Option C (End-to-End LSP):
Full end-to-end LSP is created across ASs.
MPLS labels are definitely usedend-to-end, even between ASs.
Option D (Commonly vendor-specific extensions based on Option B/C):
Similar to Option C -requires MPLS labels.
So:
B). Option B- needs MPLS label#
D). Option D- also needs MPLS label#
A). Option A-no MPLS label#
C). Option C- also uses MPLS label#, but not listed as an answer option in this question format (should have been).
Assuming valid options areA, B, D, the correct ones needing MPLS labels are:
Correct answers: B, D
Reference:Huawei HCIE-Datacom V1.0 Study Guide -Chapter: MPLS VPNSection: Inter-AS VPN Solutions
NEW QUESTION # 136
Router RL and Router R2 run BGP both routers are in the AS65234 The router R2 route is present in the BGP routing table of router RI, but not in the P of router R1 road
Answer: D
NEW QUESTION # 137
Which SNMP message type sent to NMS reports events that are reliable? ( Single choice questions).
Answer: D
NEW QUESTION # 138
Python Paramiko implements the SSH protocol. In the Python Paramiko module, which of the following classes is used to create SFTP sessions and perform remote file operations?
Answer: D
Explanation:
Comprehensive and Detailed
✔ Paramiko is a Python library that provides SSH and SFTP functionality.
✔ The SFTPClient class is specifically designed for SFTP (Secure File Transfer Protocol) operations.
✔ How It Works:
A Transport session is established using Transport().
An SFTP session is created using SFTPClient.from_transport().
File operations (upload/download) are performed via SFTP methods.
✔ Why Not Other Options?
❌ (A) Packetizer class → Handles low-level SSH message processing, not SFTP.
❌ (C) Channel class → Creates SSH channels, not SFTP sessions.
❌ (D) Transport class → Establishes SSH connections, but does not perform file operations.
📖 Reference: Huawei HCIE Datacom - Python Paramiko and SFTP Implementation
NEW QUESTION # 139
......
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