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NEW QUESTION 161
The following about BGP routing, describing the error, is ?

non-aggregate routes take precedence over aggregate routes

In PrefVal, Local_ Preference is equal to the case if the route is generated locally, IBGP Routing, the BGP preference for EBGP routing, is generated effectively referring to route priority.

See the following entry in the BGP routing table:* 172161.11/32 000010 0? Indicates that the route is available non-optimal

For next_hop unreachable routes when invalid routes, do not participate in the preferred.

NEW QUESTION 162
About multi-instance CE (Multi-VPN-Instance CE, MCE). What is the error described below?

Users who connect to the same MCE but are not part of a VPN instance cannot access each other

The MCE vs. PE direction must have multiple physical links to achieve isolation between different VPN instances

MCE-enabled devices can access multiple VPI instances in BGP/RPLS IPVPN applications, reducing user network equipment investment

On the MCE device, you need to create their own routing tables for different VPNs and bind to the corresponding interface

NEW QUESTION 163
In the IS-IS broadcast network type, when establishing an adjacency relationship, if the router interface priority is set to 0, it will not participate in the dis election

True

False

NEW QUESTION 164
IPSGs can statically configure binding tables or form binding tables by using them with DHCP-Snooping

True

False

NEW QUESTION 165
When you deploy LLQ, you need to configure bandwidth parameters, what is the significance of bandwidth parameters?( Single choice questions).

Provides a built-in policer to limit the maximum available bandwidth of a low-latency queue during congestion

The parameter should be as small as possible. It means that the bandwidth is always preserved, and even if the LLQ is set, changing the parameters will reduce the available bandwidth of the interface

It represents a reference CIR to calculate the burst size D of the built-in tactician token bucket Changing parameters is an option because LLQ always takes precedence over other queues

NEW QUESTION 166
The following statement about IPSec VPN is correct ?qo

Two routers establish an IPSec VPN in brutal mode, so that the two devices can interact with a minimum of 4 messages to establish a tunnel.

Brutal mode can support NAT traversal, while main mode does not support NAT traversal.

The two routers can establish OSPF neighbor relations and exchange intranet routes through the IPSec VPN tunnel

The two routers establish IPSecVPN in main mode, and from the 5th packet (included), the payload’s data will be encrypted.

NEW QUESTION 167
The following statement about the IS-IS protocol is incorrect?

The IS-IS protocol is a link-state protocol that runs between AS

The IS-IS protocol supports CLNP networks

Messages for the IS-IS protocol are encapsulated directly by the data link layer

The IS-IS protocol supports IP network ad

NEW QUESTION 168
Which timer for spanning tree protocol dictates how often to see the root bridge send configuration BPDUs?

forwarding delay timer

STP timer

HOLD timer

Maxage timer

Hello timer

NEW QUESTION 169
In the multi-level RR scenario, the first-level RR will be connected to a large number of second-level R, which may cause the BGP circuit of the first-level RR to overflow from the table Risk of R BGP routing table overflow?( Radio).

ORF

Route Control

Route Aggregation

Set the same Cluster-ID

NEW QUESTION 170
There is an existing network of router RI, router R, router R3, and router R4 The 4 routers are interconnected via an LN network. All 4 routers are equipped with basic oSPF. When you execute the command “displayosp” on router R2 f peer”, router R2 and router R3 are discovered The status between is “2-way”. So what conclusions can you draw from this output? Multiple choice questions).

Router R2 is not a DR

Router R3 is not a DR, nor is it a BDR

There is no full adjacency between router R2 and router R3

Router R4 is destined for DR

Router R2 is DR or BDR

NEW QUESTION 171
In the VXLAN implementation, the mapping relationship between VNI and BD is

1:N

N:1

1:1

N: M

NEW QUESTION 172
Regarding the MPLS handling mode of TTL, the following description is correct?

Pipe mode. When an IP message passes through an MPLS network, the IPTTL minus l at the entry point is mapped to the MPLS TTL field

MPLS tags in the TTL, which mean the same as the TTL domain in the IP header. TTL prevents mpLS networks from creating routing loops

In Unifor mode, when an IP message passes through an MPLS network, the inbound IPTTL is minus 1.
The MPLSTTL field is a fixed value

In MMLSVPI, if you need to hide the structure of the MPLS backbone network, you can use the Uniform mode on Ingress for private network messages

NEW QUESTION 173
You want to set the DSCP value of VolP traffic in HW network devices to EF. According to the differentiated service model RFC, traffic token EF should be set to:

DSCP is set to decimal 36

IP ToS is set to OXEF

IP Experimental ECN

DSCP is set to decimal 5

Bitstream 101110

NEW QUESTION 174
Router RI and Router R2 run BGP. Both routers are in the AS65234 The route for router R2 exists in the BGP routing table of the router RI, but not in the IP routing table of the router RI . So what causes the problem to occur? (Single Choice Questions).

Synchronization is turned off

The BGP neighbor relationship is Down

Router R1 does not enable BGP Multi-hop

Routing is not optimal

NEW QUESTION 175
When configuring the source NAT and having no pat configuration parameters, which of the following statements is true?( Radio)

Perform destination IP address and destination port translation

Only source P address translation occurs

Only destination IP address translation occurs

Simultaneous source P address and source port translation

NEW QUESTION 176
CMPv6 uses the Type field to identify the message type, and according to the value of the type field, we can divide the ICMPv6 message into two categories, one is the error message and the other is the information message

True

False

NEW QUESTION 177
In order to reduce the number of OSPF routes in some unscheduled areas, the OSPF protocol has developed special area functions, and the following characteristic description of ospf special areas is correct?( Single choice questions).

ASBR-Sunmary-LSA is allowed to be published to NSSA regions

AS-External-LSA is allowed to be published to Stub regions

Any OSPF zone can be configured as a special zone

Special area routers cannot establish OSPF neighbor relationships with regular area routers

NEW QUESTION 178
If the PIM-SM protocol is running in a multicast network , you need to configure RP, and the configuration equation of RP is divided into dynamic RP and static RP. The following configuration description of the RP is correct (radio).

When you configure Dynamic RP , you need to configure BSR as a backup of the RP.

When you configure a static RP , you need to configure the BSR to advertise the RP information.

When configuring a static RP, you need to specify the information for the RP on all PIM routers.

When you configure Dynamic RP, you do not need to configure BSR.

NEW QUESTION 179
As shown in the figure, the overload bit of ISIS is set in the configuration of router R3, and the following statement is correct

R3’s direct route will be ignored by R1 and R2 because of the setting of the overload bit .

When the router runs out of memory, the system automatically sets the overload flag bit in the sent LSP packets.

Irrelevant to whether the user has a set-overload command configured.

Routes introduced by R3 through import-route will not be published. The LSP of R3 will not be able to spread to R1 and R2

R3 initiates the load state, and R1 and RZ will not calculate the LSP of R3 cattle in the SP tree.

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