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Cisco IT Essentials 7.0 - Chapter 5: Networking Concepts Exam

Cisco IT Essentials 7.0 - Chapter 5: Networking Concepts Exam

Question 1 of 44

1

A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)

Select one or more of the following:

  • web server

  • switch

  • router

  • email server

  • wireless access point

  • print server

Explanation

Question 2 of 44

1

Which two devices are commonly powered by PoE? (Choose two.)

Select one or more of the following:

  • access point

  • core switch

  • IP phone

  • modular switch

  • router

Explanation

Question 3 of 44

1

Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)

Select one or more of the following:

  • RFI

  • white noise

  • MDF

  • dispersion

  • EMI

Explanation

Question 4 of 44

1

When would a printer be considered a network host?

Select one of the following:

  • when it is connected to a switch

  • when it is connected to a workstation

  • when it is connected to a laptop

  • when it is connected to a PC

Explanation

Question 5 of 44

1

Which technology is most often used to connect devices to a PAN?

Select one of the following:

  • Bluetooth

  • fiber optic cabling

  • IEEE 802.11n wireless

  • coaxial cabling

Explanation

Question 6 of 44

1

A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?

Select one of the following:

  • STP

  • coaxial

  • fiber optic

  • UTP

Explanation

Question 7 of 44

1

How many devices can a Bluetooth device connect to simultaneously?

Select one of the following:

  • 127

  • 7

  • 10

  • 24

  • 5

Explanation

Question 8 of 44

1

Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?

Select one of the following:

  • repeater

  • hub

  • switch

  • router

Explanation

Question 9 of 44

1

What is a common function of a proxy server?

Select one of the following:

  • to store frequently accessed web pages on the internal network

  • to control who is permitted to access the internal network

  • to detect malicious signatures by monitoring traffic that is entering the internal network

  • to provide access to a shared pool of configurable computing resources

Explanation

Question 10 of 44

1

What is a characteristic of a WAN?

Select one of the following:

  • It connects multiple networks that are geographically separated.

  • It spans across a campus or city to enable sharing of regional resources.

  • It is typically owned and managed by a single home or business.

  • It requires a wireless access point to connect users to the network.

Explanation

Question 11 of 44

1

What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?

Select one of the following:

  • application, session, network, data link, physical

  • application, internet, network access, transport

  • network access, transport, internet, application

  • application, transport, internet, network access

Explanation

Question 12 of 44

1

Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?

Select one of the following:

  • 802.11n

  • 802.11g

  • 802.11b

  • 802.11a

Explanation

Question 13 of 44

1

Which pairs of wires change termination order between the 568A and 568B standards?

Select one of the following:

  • green and orange

  • green and brown

  • blue and brown

  • brown and orange

Explanation

Question 14 of 44

1

Which device provides wireless connectivity to users as its primary function?

Select one of the following:

  • switch

  • router

  • access point

  • modem

Explanation

Question 15 of 44

1

Which type of connection to the Internet is capable of the fastest transfer rates?

Select one of the following:

  • ISDN

  • POTS

  • satellite

  • cable

  • fiber

Explanation

Question 16 of 44

1

A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?

Select one of the following:

  • switch

  • server

  • DSL modem

  • wireless access point

Explanation

Question 17 of 44

1

Which well-known port number is used by the DHCP (client) protocol?

Select one of the following:

  • 67

  • 68

  • 20

  • 80

  • 53

Explanation

Question 18 of 44

1

A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?

Select one of the following:

  • The data flow is being tracked based on the destination MAC address of the technician PC.

  • The data flow is being tracked based on the source port number that is used by each application.

  • The data flow is being tracked based on the source IP address that is used by the PC of the technician.

  • The data flow is being tracked based on the destination IP address that is used by the PC of the technician.

Explanation

Question 19 of 44

1

Which type of server would be used to keep a historical record of messages from monitored network devices?

Select one of the following:

  • DHCP

  • DNS

  • print

  • authentication

  • syslog

Explanation

Question 20 of 44

1

Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?

Select one of the following:

  • router

  • endpoint management server

  • proxy server

  • UTM

  • TPM

Explanation

Question 21 of 44

1

Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?

Select one of the following:

  • 802.11ac

  • 802.11n

  • Z-Wave

  • Zigbee

Explanation

Question 22 of 44

1

Which network device allows administrators to remotely manage many devices through one dashboard interface?

Select one of the following:

  • cloud-based network controller

  • Power over Ethernet

  • switch that supports VLANs

  • powerline networking

Explanation

Question 23 of 44

1

Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?

Select one of the following:

  • line of sight wireless

  • satellite

  • hotspot

  • cellular

Explanation

Question 24 of 44

1

Which type of server would support the SMTP, POP, and IMAP protocols?

Select one of the following:

  • DHCP

  • email

  • proxy

  • syslog

Explanation

Question 25 of 44

1

A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?

Select one of the following:

  • FTP

  • LDAP

  • SLP

  • SNMP

Explanation

Question 26 of 44

1

A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?

Select one of the following:

  • NetBIOS (NetBT)

  • SMB/CIFS

  • HTTPS

  • SLP

Explanation

Question 27 of 44

1

A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?

Select one of the following:

  • SSH

  • SMB/CIFS

  • HTTPS

  • SLP

Explanation

Question 28 of 44

1

A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?

Select one of the following:

  • IMAP

  • SMB/CIFS

  • HTTPS

  • SLP

Explanation

Question 29 of 44

1

A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?

Select one of the following:

  • SNMP

  • SMB/CIFS

  • HTTPS

  • SLP

Explanation

Question 30 of 44

1

A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?

Select one of the following:

  • Telnet

  • SMB/CIFS

  • HTTPS

  • SLP

Explanation

Question 31 of 44

1

A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?

Select one of the following:

  • LDAP

  • SMB/CIFS

  • HTTPS

  • SLP

Explanation

Question 32 of 44

1

A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?

Select one of the following:

  • SMTP

  • SMB/CIFS

  • HTTPS

  • SLP

Explanation

Question 33 of 44

1

A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?

Select one of the following:

  • LDAP

  • POP3

  • HTTP

  • NetBIOS (NetBT)

Explanation

Question 34 of 44

1

A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device?

Select one of the following:

  • It is a device that can be inserted in the middle of a cable run to add power.

  • It is a device that allows a network administrator to manage many remote networking devices from a central location.

  • It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.

  • It connects a home or business network to a company that provides internet connectivity as well as television signals.

Explanation

Question 35 of 44

1

A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device?

Select one of the following:

  • It connects multiple end devices and can be configured for VLANs and port security.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Explanation

Question 36 of 44

1

A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device?

Select one of the following:

  • It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Explanation

Question 37 of 44

1

A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device?

Select one of the following:

  • It connects a home or business network to a company that provides internet connectivity as well as television signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Explanation

Question 38 of 44

1

A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device?

Select one of the following:

  • It is a device whose sole purpose is to connect end devices and to microsegment a LAN.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Explanation

Question 39 of 44

1

A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device?

Select one of the following:

  • It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Explanation

Question 40 of 44

1

A technician is searching through a storage locker and finds an access point. What is the purpose of this device?

Select one of the following:

  • It uses radio waves to provide network access to wireless devices.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Explanation

Question 41 of 44

1

A technician is searching through a storage locker and finds a router. What is the purpose of this device?

Select one of the following:

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Explanation

Question 42 of 44

1

A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?

Select one of the following:

  • It is a device that allows a network administrator to manage many remote networking devices from a central location.

  • It transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is a device that can be inserted in the middle of a cable run to add power.

Explanation

Question 43 of 44

1

A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?

Select one of the following:

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is a device that can be inserted in the middle of a cable run to add power.

  • It transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.

  • It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.

Explanation

Question 44 of 44

1

A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?

Select one of the following:

  • DNS

  • NetBIOS (NetBT)

  • POP3

  • IMAP

Explanation

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