CCNA1 Final

Which two traffic types use the Real-Time Transport Protocol (RTP)? (Choose two.)

• video

• web

• file transfer

• voice

• peer to peer

Video, Voice (RTP is used for real-time communications like video and VoIP)

Which wireless technology has low-power and data rate requirements, making it popular in home automation?

• ZigBee

• LoRaWAN

• 5G

• Wi-Fi

ZigBee (IEEE 802.15.4 standard, optimized for low-energy personal-area networks)

Which TCP/IP model layer provides a route to forward messages through an internetwork?

• application

• network access

• internet

• transport

Internet layer (Corresponds to OSI network layer, responsible for addressing and routing)

Which type of server uses records such as A, NS, AAAA, and MX?

• DNS

• email

• file

• web

DNS server (Resolves hostnames to IP addresses and manages resource records)

What are proprietary protocols?

• Protocols developed by private organizations to operate on any vendor hardware

• Protocols that can be freely used by any organization or vendor

• Protocols developed by organizations who control their definition and operation

• A collection of protocols known as the TCP/IP suite

Protocols developed by organizations who control their definition and operation

What service is provided by DNS?

• Resolves domain names into IP addresses

• Defines rules for exchanging multimedia on the web

• Allows data transfers between a client and file server

• Uses encryption for secure web exchange

Resolves domain names into IP addresses

A packet with destination port 110 is requesting which service?

• DNS

• DHCP

• SMTP

• POP3

POP3

What Windows command shows the IP configuration?

• show ip interface brief

• ping

• show interfaces

• ipconfig

ipconfig

A wired printer shared on a home network without a dedicated server is using which model?

• client-based

• master-slave

• point-to-point

• peer-to-peer (P2P)

Peer-to-peer (P2P)

What describes a virus?

• A network device that filters access

• Use of stolen credentials to access data

• An attack that slows/crashes a device or service

• Malicious code running on an end device

Malicious code running on an end device

With QoS, prioritize audio conference, financial transactions, and web browsing.

• financial transactions, web page, audio conference

• audio conference, financial transactions, web page

• financial transactions, audio conference, web page

• audio conference, web page, financial transactions

Audio conference → financial transactions → web page

When transferring a file, which TCP/IP layers are used?

• application + internet

• internet + network access

• application + internet + network access

• application + transport + internet + network access

• application + transport + network + data link + physical

• application + session + transport + network + data link + physical

Application, transport, internet, and network access layers

What service does Internet Messenger provide?

• Real-time chatting among remote users

• Remote access to network devices

• Resolves domain names into IP addresses

• Secure remote access to devices with encryption

Real-time chatting among remote users

Which protocol built the table shown by arp -a?

• DHCP

• ARP

• DNS

• ICMP

ARP

Which two factors may interfere with copper cabling near fluorescent lights/equipment?

• crosstalk

• extended length

• RFI

• EMI

• signal attenuation

RFI, EMI

If a host sends a packet to a remote LAN with no ARP cache entry, how is the MAC address obtained?

• Send frame using its own MAC as destination

• Send ARP request for destination device’s MAC

• Send frame with broadcast MAC

• Send request to DNS server for MAC

• Send ARP request for MAC of default gateway

Send ARP request for MAC of default gateway