CCNA Final Exam Quiz: Introduction to Networks (Version 7.00)

12 Questions

If the third employee is having an important live audio conference, based on the information provided, what data type would have the highest priority on a network with Quality of Service (QoS) implemented?

Audio traffic for the live conference

If QoS is implemented and the second employee is performing financial transactions, which data type would have the second-highest priority?

Financial transactions

What is the smallest network mask that can support 25 connected devices for the new LAN being added by the network administrator?

/29

In the context of the corrupted Ethernet cabling close to lighting and electrical equipment, which two factors may interfere with the copper cabling and cause signal distortion and data corruption?

Nearby fluorescent lights and electrical equipment

If Host1 were to transfer a file to the server as shown in the exhibit, in the TCP/IP model, which layers would be utilized for this file transfer?

Data Link and Transport

Which device's interface IP address should be set as the default gateway of Host H1 based on the exhibit provided?

S1 Fa0/1

What is the primary purpose of the DNS service?

To translate domain names into IP addresses

What type of networking model is in use when a wired printer is shared on a home network?

Peer-to-Peer model

What is a characteristic of a virus?

It is a type of malware that can replicate itself without user interaction

What command can be used on a Windows PC to view the IP configuration of that computer?

ipconfig

What is the purpose of record types such as A, NS, AAAA, and MX?

To provide services such as DNS

A client packet is received by a server with a destination port number of 110. What service is the client requesting?

POP3

Study Notes

Traffic and Data Transmission

Real-Time Transport Protocol (RTP) is used for voice and video traffic

Wireless Technology

Low-power and low-data-rate wireless technology is popular in home automation applications

TCP/IP Model

The Network layer provides a route to forward messages through an internetwork

Server Technologies

DNS servers rely on record types such as A, NS, AAAA, and MX to provide services
DNS provides hostname-to-IP address resolution services

Network Protocols

Proprietary protocols are owned and controlled by a single company

Network Configuration

The ipconfig command can be used on a Windows PC to see the IP configuration of that computer

Networking Models

A client-server architecture is in use when a wired laser printer is shared on a home network

Malware

A virus is a type of malware that can replicate itself
A Trojan horse is a type of malware that disguises itself as a legitimate program

Data Corruption

Electromagnetic interference (EMI) and radio-frequency interference (RFI) can cause signal distortion and data corruption in copper cabling

Packet Flow

A device can obtain a destination MAC address by sending an ARP request if there are no mappings in its ARP cache
Port numbers are used to track data flow between multiple application sessions

Web Services

HTTPS provides secure web services
Internet Messenger provides instant messaging services
A client requesting a service with a destination port number of 53 is requesting DNS services
A client requesting a service with a destination port number of 110 is requesting POP3 services

CCNA 1 - Introduction to Networks (Version 7.00) Final Exam