Practice EXAM CCNA 176-210

What is the definition of backdoor malware?

• A. malicious program that is used to launch other malicious programs

• C. malicious code that is installed onto a computer to allow access by an unauthorized user

• B. malicious code that infects a user machine and then uses that machine to send spam

• D. malicious code with the main purpose of downloading other malicious code

When a switch receives a frame for an unknown destination MAC address, how is the frame handled?

• A. forwarded to the first available port

• B. broadcast to all pons on the switch

• C. inspected and dropped by the switch

• D. flooded to all ports except the origination port

Which HTTP status code is returned after a successful REST API request?

• A. 500

• B. 404

• C. 301

• D. 200

What is the same for both copper and fiber interfaces when using SFP modules?

• A. They accommodate single-mode and multi-mode in a single module

• B. They provide minimal interruption to services by being hot-swappable

• C. They support an inline optical attenuator to enhance signal strength

• D. They offer reliable bandwidth up to 100 Mbps in half duplex mode

Refer to the exhibit. Which configuration establishes a Layer 2 LACP EtherChannel when applied to both switches?

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Refer to the exhibit. An engineer configured the New York router with static routes that paint to the Atlanta and Washington sites. Which command must be configured on the Atlanta and Washington routers so that both sites are able to reach the Ioopback2 interface on the New York router?

• A. ipv6 route ::/0 2000::2

• B. ip route 0.0.0.0.0.0.0.0 Serial 0/0/0

• C. ipv6 route ::/0 Serial 0/0/0

• D. ipv6 route ::./0>Serial 0/0/1 E. ipv6 route 0/0 Serial 0/0/0

Which WPA mode uses PSK authentication?

• A. Client

• B. Local

• C. Personal

• D. Enterprise

What describes a northbound REST API for SDN?

• A. application-facing interface for GET, POST, PUT, and DELETE methods

• B. network-element-facing interface for GET, POST, PUT, and DELETE methods

• C. network-element-facing interface forthe control and data planes

• D. application-facing interface for SNMP GET requests

Which configuration must be applied to the interface?

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Why is UDP more suitable than TCP for applications that require low latency, such as VolP?

• A. TCP uses congestion control for efficient packet delivery, and UDP uses flow control mechanisms for the delivery of packets.

• B. UDP reliably guarantees delivery of all packets, and TCP drops packets under heavy load.

• C. UDP uses sequencing data for packets to arriveVln order, and TCP offers the capability to receive packets in random order.

• D. TCP sends an acknowledgment for every packet that is received, and UDP operates without acknowledgments.