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What two default wireless router settings can affect network security? (Choose two.)
Correct answer(s):
- The SSID is broadcast.
A network technician is checking a computer to see if the DHCP client is working correctly. The technician issues the ipconfig /all command. Which two parameters should the technician review? (Choose two.)
Correct answer(s):
- default gateway
- subnet mask
A wired network is undergoing several changes that could leave it vulnerable to connection by unauthorized devices while the work is in progress. Which two temporary measures would enable the authorized devices to continue to have network access but prevent unauthorized devices from connecting? (Choose two.)
Correct answer(s):
- Disable DHCP.
- Assign static IP addresses to the authorized devices.
Users in a recently installed wireless network are complaining of slow data transfer and frequent loss of connectivity. The technician checks that the wireless security is correctly implemented and that there is no evidence of unauthorized users on the network. Which two problems might the technician suspect? (Choose two.)
Correct answer(s):
- There is interference from outside sources.
- The wireless signal is too weak.
A technician is searching through a storage locker and finds a repeater. What is the purpose of this device?
Correct answer(s):
- It is used to regenerate weak signals to extend the distance a signal can travel.
A technician is searching through a storage locker and finds a patch panel. What is the purpose of this device?
Correct answer(s):
- It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
A technician is searching through a storage locker and finds a Cisco ASA 5505-X (UTM). What is the purpose of this device?
Correct answer(s):
- It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
A technician is searching through a storage locker and finds a wireless NIC. What is the purpose of this device?
Correct answer(s):
- It is needed to connect a computer or smart device to an 802.11 network.
A technician is searching through a storage locker and finds an Ethernet NIC. What is the purpose of this device?
Correct answer(s):
- It is needed to connect a computer to a wired local-area network.
Which device acts as a termination point for cable runs and keeps cables secure and safely out of walkways?
Correct answer(s):
- patch panel
What type of connector is used to connect an analog modem to a telephone line socket?
Correct answer(s):
- RJ-11
What is a feature of a dial-up connection?
Correct answer(s):
- the use of an analog modem to transmit data over voice telephone lines.
A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?
Correct answer(s):
- It is placed between two or more networks and protects data and equipment from unauthorized access.
A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?
Correct answer(s):
- It is a device that allows a network administrator to manage many remote networking devices from a central location.
A technician is searching through a storage locker and finds a router. What is the purpose of this device?
Correct answer(s):
- It connects networks and forwards traffic to remote networks by using IP addressing information.
A technician is searching through a storage locker and finds an access point. What is the purpose of this device?
Correct answer(s):
- It uses radio waves to provide network access to wireless devices.
A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device?
Correct answer(s):
- It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.
A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device?
Correct answer(s):
- It is a device whose sole purpose is to connect end devices and to microsegment a LAN.
A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device?
Correct answer(s):
- It connects a home or business network to a company that provides internet connectivity as well as television signals.
A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device?
Correct answer(s):
- It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.