Created by

Shubham verma

CCNA Quiz - 2

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1)

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

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

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

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

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

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2)

Which action must be taken when password protection is implemented?

Use less than eight characters in length when passwords are complex.

Include special characters and make passwords as long as allowed.

Share passwords with senior IT management to ensure proper oversight.

Store passwords as contacts on a mobile device with single-factor authentication.

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3)

What is a characteristic of an SSID in wireless networks?

identifies an access point on a WLAN

encodes connections at the sending and receiving ends

broadcasts a beacon signal to announce its presence by default

intercepts data threats before they attack a network

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4)

What are two protocols within the IPsec suite? (Choose two.)

TLS

AES

3DES

ESP

AH

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5)

An engineer observes high usage on the 2.4GHz channels and lower usage on the 5GHz channels. What must be configured to allow clients to preferentially use 5GHz access points?

OEAP Split Tunnel

Client Band Select

Re-Anchor Roamed Clients

11ac MU-MIMO

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6)

What are two characteristics of a small office / home office connection environment? (Choose two.)

It supports between 50 and 100 users.

A router port connects to a broadband connection.

It requires 10GB ports on all uplinks.

It requires a core, distribution, and access layer architecture.

It supports between 1 and 50 users.

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7)

In which circumstance would a network architect decide to implement a global unicast subnet instead of a unique local unicast subnet?

when the addresses on the subnet must be equivalent to private IPv4 addresses

when the subnet does not need to be routable

when the subnet must be available only within an organization

when the subnet must be routable over the internet

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8)

What is the definition of backdoor malware?

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

malicious code with the main purpose of downloading other malicious code

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

malicious program that is used to launch other malicious programs

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9)

A router has two static routes to the same destination network under the same OSPF process. How does the router forward packets to the destination if the next-hop devices are different?

The router chooses the next hop with the lowest MAC address.

The router load-balances traffic over all routes to the destination.

The router chooses the next hop with the lowest IP address.

The router chooses the route with the oldest age.

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10)

What is a characteristic of an SSID in wireless networks?

identifies an access point on a WLAN

uses policies to prevent unauthorized users

uses the password to connect to an access point

uses a case-sensitive text string

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11)

Which two cable types must be used to connect an access point to the WLC when 2.5-Gbps and 5-Gbps upload speeds are required? (Choose two.)

Cat5e

Cat3

Cat5

10GBASE-T

1000BASE-LX/LH

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12)

What is the role of community strings in SNMP operations?

It passes the Active Directory username and password that are required for device access.

It serves as a sequence tag on SNMP traffic messages.

It serves as a password to protect access to MIB objects.

It translates alphanumeric MIB output values to numeric values.

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13)

What is the PUT method within HTTP?

It displays a web site.

It is a read-only operation.

It replaces data at the destination.

It is a nonidempotent operation.

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14)

A project objective is to minimize the association time to the different access points as mobile devices move around the office. The ideal solution must cover numerous devices and device types, including laptops, mobile phones, tablets, and wireless printers. What must be configured?

802.11v Disassociation Imminent

802.11ax BSS Configuration

802.11v BSS Max Idle Service

802.11k Neighbor List Dual Band

15 / 20

15)

What is the root port in STP?

It is the port that is elected only when the root bridge has precisely one port on a single LAN segment.

It is the port on the root switch that leads to the designated port on another switch.

It is the port with the highest priority toward the root bridge.

It is the port on a switch with the lowest cost to reach the root bridge.

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16)

What is a characteristic of private IPv4 addressing?

traverses the internet when an outbound ACL is applied

is used on internal hosts that stream data solely to external resources

complies with PCI regulations

allows multiple companies to use the same address without conflict

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17)

What is a characteristic of encryption in wireless networks?

eliminates network piggybacking

uses the password to connect to an access point

uses integrity checks to identify forgery attacks in the frame

prevents the interception of data as it transits a network

18 / 20

18)

Which plane is centralized in software-defined networking?

data

application

control

services

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19)

Which property is shared by 10GBase-SR and 10GBase-LR interfaces?

Both require UTP cable media for transmission.

Both require fiber cable media for transmission.

Both use the single-mode fiber type.

Both use the multimode fiber type

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20)

How are RFC 1918 IP addresses used in a network?

They are used to access the internet from the internal network without conversion.

They are used by internet service providers to route over the internet.

They are used instead of public addresses for increased security.

They are used with NAT to preserve public IPv4 addresses.

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