Following a fire in a data center, an executive is concerned about the amount of data that must be reentered.
Which of the following describes the executive's concern?


A. RTO
B. MTBF
C. MMTR
D. RPO

A network technician discovered multiple failed logins on a production server. Upon investigation, the technician determined that a client plugged a personal laptop in to the corporate LAN, which allowed malware on the laptop to probe the network. Which of the following would have prevented this unauthorized device?


A. Port security
B. Bring your own device policy
C. Patch management
D. Changing default passwords

A network technician is installing a wireless network in an office building. After performing a site survey, the technician determines the area is very saturated on the 2.4GHz and the 5GHz bands. Which of the following wireless standards should the network technician implement?


A. 802.11ac
B. 802.11ax
C. 802.11g
D. 802.11n

A network administrator is reviewing north-south traffic to determine whether a security threat exists. Which of the following explains the type of traffic the administrator is reviewing?


A. Data flowing between application servers
B. Data flowing between the perimeter network and application servers
C. Data flowing in and out of the data center
D. Data flowing between local on-site support and backup servers

Which of the following network topologies BEST describes a central device connected to multiple independent devices?


A. Mesh
B. Ring
C. Hub-and-spoke
D. Bus

A network technician is configuring a wireless access point and wants to only allow company-owned devices to associate with the network. The access point uses PSKs, and a network authentication system does not exist on the network. Which of the following should the technician implement?


A. Captive portal
B. Guest network isolation
C. MAC filtering
D. Geofencing

While troubleshooting a network, a VoIP systems engineer discovers a significant inconsistency in the amount of time required for data to reach its destination and return. Which of the following terms BEST describes this issue?


A. Bandwidth
B. Latency
C. Jitter
D. Throughput

Two companies want to build an encrypted tunnel between them and use a PSK for initial authentication. Which of the following is the BEST protocol for the companies to use?


A. VPN
B. SSL
C. TLS
D. IPSec

A new company moved into a corporate center. Users in the shared lobby are experiencing disconnects on their mobile devices. Which of the following is the BEST tool a network technician could use to troubleshoot the issue?


A. Port scanner
B. Protocol analyzer
C. NetFlow analyzer
D. Wi-Fi analyzer

A network technician is selecting new network hardware, and availability is the main concern. Which of the following availability concepts should the technician consider?


A. RTO
B. MTTR
C. MTBF
D. RPO