19616626
Descripción
Test por dksajpigbdu asdfagdsga, actualizado hace más de 1 año
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Creado por dksajpigbdu asdfagdsga
hace casi 5 años
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Pregunta 1
Pregunta
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.)
Respuesta
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web server
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switch
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router
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email server
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wireless access point
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print server
Pregunta 2
Pregunta
Which two devices are commonly powered by PoE? (Choose two.)
Respuesta
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access point
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core switch
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IP phone
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modular switch
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router
Pregunta 3
Pregunta
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
Respuesta
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RFI
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white noise
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MDF
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dispersion
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EMI
Pregunta 4
Pregunta
When would a printer be considered a network host?
Respuesta
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when it is connected to a switch
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when it is connected to a workstation
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when it is connected to a laptop
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when it is connected to a PC
Pregunta 5
Pregunta
Which technology is most often used to connect devices to a PAN?
Respuesta
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Bluetooth
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fiber optic cabling
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IEEE 802.11n wireless
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coaxial cabling
Pregunta 6
Pregunta
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?
Respuesta
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STP
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coaxial
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fiber optic
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UTP
Pregunta 7
Pregunta
How many devices can a Bluetooth device connect to simultaneously?
Respuesta
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127
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7
-
10
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24
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5
Pregunta 8
Pregunta
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Respuesta
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repeater
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hub
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switch
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router
Pregunta 9
Pregunta
What is a common function of a proxy server?
Respuesta
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to store frequently accessed web pages on the internal network
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to control who is permitted to access the internal network
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to detect malicious signatures by monitoring traffic that is entering the internal network
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to provide access to a shared pool of configurable computing resources
Pregunta 10
Pregunta
What is a characteristic of a WAN?
Respuesta
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It connects multiple networks that are geographically separated.
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It spans across a campus or city to enable sharing of regional resources.
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It is typically owned and managed by a single home or business.
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It requires a wireless access point to connect users to the network.
Pregunta 11
Pregunta
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
Respuesta
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application, session, network, data link, physical
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application, internet, network access, transport
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network access, transport, internet, application
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application, transport, internet, network access
Pregunta 12
Pregunta
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
Respuesta
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802.11n
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802.11g
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802.11b
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802.11a
Pregunta 13
Pregunta
Which pairs of wires change termination order between the 568A and 568B standards?
Respuesta
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green and orange
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green and brown
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blue and brown
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brown and orange
Pregunta 14
Pregunta
Which device provides wireless connectivity to users as its primary function?
Respuesta
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switch
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router
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access point
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modem
Pregunta 15
Pregunta
Which type of connection to the Internet is capable of the fastest transfer rates?
Respuesta
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ISDN
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POTS
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satellite
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cable
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fiber
Pregunta 16
Pregunta
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
Respuesta
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switch
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server
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DSL modem
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wireless access point
Pregunta 17
Pregunta
Which well-known port number is used by the DHCP (client) protocol?
Respuesta
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67
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68
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20
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80
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53
Pregunta 18
Pregunta
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?
Respuesta
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The data flow is being tracked based on the destination MAC address of the technician PC.
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The data flow is being tracked based on the source port number that is used by each application.
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The data flow is being tracked based on the source IP address that is used by the PC of the technician.
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The data flow is being tracked based on the destination IP address that is used by the PC of the technician.
Pregunta 19
Pregunta
Which type of server would be used to keep a historical record of messages from monitored network devices?
Respuesta
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DHCP
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DNS
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print
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authentication
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syslog
Pregunta 20
Pregunta
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
Respuesta
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router
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endpoint management server
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proxy server
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UTM
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TPM
Pregunta 21
Pregunta
Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
Respuesta
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802.11ac
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802.11n
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Z-Wave
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Zigbee
Pregunta 22
Pregunta
Which network device allows administrators to remotely manage many devices through one dashboard interface?
Respuesta
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cloud-based network controller
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Power over Ethernet
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switch that supports VLANs
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powerline networking
Pregunta 23
Pregunta
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?
Respuesta
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line of sight wireless
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satellite
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hotspot
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cellular
Pregunta 24
Pregunta
Which type of server would support the SMTP, POP, and IMAP protocols?
Respuesta
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DHCP
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email
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proxy
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syslog
Pregunta 25
Pregunta
A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
Respuesta
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FTP
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LDAP
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SLP
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SNMP
Pregunta 26
Pregunta
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
Respuesta
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NetBIOS (NetBT)
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SMB/CIFS
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HTTPS
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SLP
Pregunta 27
Pregunta
A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
Respuesta
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SSH
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SMB/CIFS
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HTTPS
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SLP
Pregunta 28
Pregunta
A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
Respuesta
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IMAP
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SMB/CIFS
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HTTPS
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SLP
Pregunta 29
Pregunta
A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?
Respuesta
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SNMP
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SMB/CIFS
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HTTPS
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SLP
Pregunta 30
Pregunta
A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
Respuesta
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Telnet
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SMB/CIFS
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HTTPS
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SLP
Pregunta 31
Pregunta
A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
Respuesta
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LDAP
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SMB/CIFS
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HTTPS
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SLP
Pregunta 32
Pregunta
A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
Respuesta
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SMTP
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SMB/CIFS
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HTTPS
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SLP
Pregunta 33
Pregunta
A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
Respuesta
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LDAP
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POP3
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HTTP
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NetBIOS (NetBT)
Pregunta 34
Pregunta
A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device?
Respuesta
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It is a device that can be inserted in the middle of a cable run to add power.
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It is a device that allows a network administrator to manage many remote networking devices from a central location.
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It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.
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It connects a home or business network to a company that provides internet connectivity as well as television signals.
Pregunta 35
Pregunta
A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device?
Respuesta
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It connects multiple end devices and can be configured for VLANs and port security.
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It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
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It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
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It is placed between two or more networks and protects data and equipment from unauthorized access.
Pregunta 36
Pregunta
A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device?
Respuesta
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It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.
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It is placed between two or more networks and protects data and equipment from unauthorized access.
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It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
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It connects networks and forwards traffic to remote networks by using IP addressing information.
Pregunta 37
Pregunta
A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device?
Respuesta
-
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.
Pregunta 38
Pregunta
A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device?
Respuesta
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It is a device whose sole purpose is to connect end devices and to microsegment a LAN.
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It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
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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.
Pregunta 39
Pregunta
A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device?
Respuesta
-
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.
Pregunta 40
Pregunta
A technician is searching through a storage locker and finds an access point. What is the purpose of this device?
Respuesta
-
It uses radio waves to provide network access to wireless devices.
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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.
Pregunta 41
Pregunta
A technician is searching through a storage locker and finds a router. What is the purpose of this device?
Respuesta
-
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.
Pregunta 42
Pregunta
A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?
Respuesta
-
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.
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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.
Pregunta 43
Pregunta
A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?
Respuesta
-
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.
Pregunta 44
Pregunta
A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
Respuesta
-
DNS
-
NetBIOS (NetBT)
-
POP3
-
IMAP
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