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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q170-Q175):

NEW QUESTION # 170
Server-Map is generated based on which of the following sets of parameters?

A. Source and destination MAC addresses, source and destination port numbers, and protocol types
B. Source and destination MAC addresses, source and destination IP addresses, and protocol types
C. Source and destination IP addresses, source and destination port numbers, and protocol types
D. Source and destination MAC addresses, source and destination IP addresses, and source and destination port numbers

Answer: C

NEW QUESTION # 171
In BGP, the Origin attribute is used to identify the origin of a route. Which of the following statements are true about the Origin attribute?

A. If multiple routes carry the same destination address but different Origin attributes and all other route selection conditions are the same, BGP selects the optimal route according to the Origin attribute in the following order: IGP > EGP > Incomplete.
B. If a route is imported to BGP by the originator using the network command, the Origin attribute of the BGP route is displayed as i in the BGP routing table.
C. If a route is learned through EGP, the Origin attribute of this BGP route is displayed as ? in the BGP routing table.
D. This attribute is a well-known mandatory attribute.

Answer: A,B,D

Explanation:
Definition of the Origin Attribute:
The Origin attribute is a well-known mandatory attribute used to indicate the source of a route.
It has three possible values:
i (IGP): The route was injected into BGP using the network command.
e (EGP): The route was learned from an EGP protocol (not commonly used now).
? (Incomplete): The route was redistributed into BGP from another routing protocol.

NEW QUESTION # 172
BGP can select routes based on the AS_Path attribute. Therefore, in some cases, a route-policy needs to be used to modify the AS_Path attribute for route selection. Which of the following parameters can be specified in the apply as-path command for a route-policy to modify this attribute?

A. Delete
B. Copy
C. Additive
D. Overwrite

Answer: A,C,D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. Overview of AS_Path Attribute Modification:
The apply as-path command in a route-policy is used to modify the AS_Path attribute of routes. This is often required to influence the selection of routes or to adjust routing policies for incoming or outgoing BGP updates.
2. Parameters of the apply as-path Command:
Option A: Delete
* Correct.
* The delete parameter removes specific AS numbers from the AS_Path attribute. This is used to simplify or manipulate the AS_Path for specific routing policies.
Option B: Additive
* Correct.
* The additive parameter appends an AS number to the existing AS_Path attribute, instead of overwriting it. This is useful when you want to prepend AS numbers to influence route selection without removing the original AS_Path.
Option C: Copy
* Incorrect.
* The copy parameter is not supported in the apply as-path command for modifying AS_Path attributes.
Option D: Overwrite
* Correct.
* The overwrite parameter replaces the existing AS_Path with a new one. This provides complete control over the AS_Path attribute but removes the original AS_Path entirely.
3. Summary:
The valid parameters for the apply as-path command are delete, additive, and overwrite.
:
Huawei HCIA-Datacom Study Guide, Chapter "BGP Route Policies."
BGP Attribute Modification in Huawei Documentation.

NEW QUESTION # 173
On the network shown in the following figure, the management VLAN is VLAN 10, and the AP isconfigured to obtain an IP address on the network segment 10.1.1.0/24 through DHCP. The AP, AC, and AR function as the DHCP client, DHCP relay agent, and DHCP server, respectively. Which of the following configurations for the DHCP relay agent and DHCP server are correct?

A. [AC] dhcp server group AP[AC-dhcp-server-group-AP] dhcp-server 172.21.1.2[AC-dhcp-server-group- AP] quit[AC] interface Vlanif 10[AC-Vlanif 10] dhcp select relay[AC-Vlanif 10] dhcp relay server- select AP[AC-Vlanif 10] quit
B. [AR] ip pool AP[AR-ip-pool-AP] network 10.1.1.0 mask 24[AR-ip-pool-AP] gateway-list 10.1.1.2[AR- ip-pool-AP] excluded-ip-address 10.1.1.1[AR-ip-pool-AP] quit[AR] interface GigabitEthernet 0/0/1
[AR-GigabitEthernetO/O/1] dhcp select global[AR-GigabitEthernet0/0/l] quit[AR] ip route-static
10.1.1.0 255.255.255.0 172.21.1.1
C. [AR] ip pool AP[AR-ip-pool-AP] network 172.21.1.0 mask 24[AR-ip-pool-AP] gateway-list 172.21.1.2
[AR-ip-pool-AP] excluded-ip-address 172.21.1.1[AR-ip-pool-AP] quit[AR] interfaceGigabitEthernet 0
/0/1[AR-GigabitEthernetO/0/1] dhcp select global[AR-GigabitEthernetO/0/1] quit[AR] ip route-static
10.1.1.0 255.255.255.0 172.21.1.1
D. [AC] dhcp server group AP[AC-dhcp-server-group-AP] dhcp-server 10.1.1.2[AC-dhcp-server-group- AP] quit[AC] interface Vlanif 10[AC-Vlanif 10] dhcp select relay[AC-Vlanif 10] dhcp relay server- select AP[AC-VlaniflO] quit

Answer: A,B

Explanation:
Option A correctly configures the DHCP relay agent (AC) to forward requests to the DHCP server using VLAN 10.
Option B correctly configures the DHCP server (AR) with the correct IP pool (10.1.1.0/24), gateway, and excluded IP addresses. The static route to10.1.1.0through172.21.1.1ensures proper routing .
=========

NEW QUESTION # 174
See the network shown in the following figure.

R1 and R2 run IS-IS and establish an adjacency. IS-IS is enabled on Loopback0 of R2 but disabled on Loopback3 of R2. The configurations shown in the figure are performed in the IS-IS process of R2. Which of the following statements are true?

A. The routing table of R1 contains the route 10.0.2.2/32.
B. The routing table of R1 does not contain the routes 10.0.2.2/32 and 10.0.2.3/32.
C. The routing table of R1 contains the route 10.0.2.3/32.
D. The routing table of R1 does not contain the route 10.0.2.3/32.

Answer: A,D

Explanation:
In the provided configuration, IS-IS is enabled onLoopback0but not onLoopback3of R2. As a result, R2 will advertise the route10.0.2.2/32(fromLoopback0) to R1 through IS-IS. However, the route10.0.2.3/32will not be advertised because IS-IS is not enabled on that loopback interface. Theimport-route directcommand does not override this behavior .

NEW QUESTION # 175
......

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