H19-301_V3.0 無料問題集「Huawei HCSA-Presales-IP Network Certification V3.0」

（A）By default, scheduling is performed based on the priorities in descending order: VI -> VO -> BK -> BE.

（B）Heavy-traffic services are automatically suppressed.

（C）Beacon frames can be broadcast to instruct APs to suppress heavy-traffic users.

（D）According to Huawei lab test data, the delay of voice and video services in congestion scenarios is 56% lower than the industry average.

（E）By default, scheduling is performed based on the priorities in descending order: VI -> VO -> BE -> BK.

（A）NETCONF

（B）HTTP

（C）YANG

（D）SNMP

（A）USG6000E

（B）HiSec Insight

（C）AntiDDoS

（D）FireHunter

（A）Diversified access terminals and services are calling for a converged network.

（B）Network O&M needs to be automated and intelligent to perceive user experience anytime and anywhere.

（C）Unknown threats must be detected and contained to prevent intrusion and spread.

（D）As applications and services surge, the network needs to be automated to address the deployment and policy complexity.

（A）FALSE

（B）TRUE

（A）General-purpose computing

（B）Storage

（C）High-performance computing

（A）iStack enables two iStack-capable switches to function as a single logical switch. Only two switches can set up a stack. Generally, modular switches support iStack, and fixed switches support CSS.

（B）CSS enables two CSS-capable switches to function as a single logical switch. Only two switches can set up a CSS. Generally, modular switches support CSS, and fixed switches support iStack.

（C）CSS enables two or more CSS-capable switches that are connected using CSS cables to function as a single logical switch for data forwarding.

（D）iStack enables multiple iStack-capable switches that are connected using iStack cables to function as a single logical switch for data forwarding.

（A）NetEngine

（B）AirEngine

（C）AREngine

（D）CloudEngine

（A）Storage media migrates from HDD to SSD

（B）Enterprise Service migrates to Cloud

（C）PCIe is replaced

（D）IT architecture transforms from Centralized to Distributed

（A）FALSE

（B）TRUE

（A）PoE out port

（B）Built-in IoT chip

（C）USB interface

（D）PCIe interface

（A）FALSE

（B）TRUE

（A）It can implement communication between SD-WAN networks and legacy MPLS networks.

（B）It distributes VPN routes and tunnel information between CPEs based on VPN topology policies.

（C）It can be deployed on a physical AR router or software AR1000V vCPE.

（D）It can be deployed independently or co-deployed with the CPE at a site.

（A）Network-wide intelligent O&M

（B）All-wireless access

（C）All-Ethernet storage and HPC network

（D）Full-lifecycle automation

（A）One-fiber multipurpose transport

（B）One-network wide connection

（C）One-click fast scheduling

（D）One-hop cloud access

（E）One-click maintenance

（A）All routers need to know the network-wide routes.

（B）Each router needs to obtain the network layer information about the packet and selects routing entries for packet forwarding based on the longest match rule.

（C）It uses the hop-by-hop forwarding mode, in which a packet is decapsulated by all routers that receive the packet.

（D）It is connectionless and cannot provide good end-to-end QoS guarantee.

（A）Eth-Trunk

（B）Stack

（C）STP

（D）Cluster

（A）Remote code execution

（B）Cross-site attacks

（C）Command line injection

（D）Brute-force attacks