Which of the following issues are present with RIPv2? (Choose two.)


A. Route poisoning
B. Time to converge
C. Scalability
D. Unicast
E. Adjacent neighbors
F. Maximum transmission unit

A Wi-Fi network was originally configured to be able to handle interference from a microwave oven. The
microwave oven was recently removed from the office. Now the network administrator wants to optimize the
system to maximize the range of the signal. The main sources of signal degradation are the numerous cubicles
and wooden walls between the WAP and the intended destination. Which of the following actions should the
administrator take?


A. Implement CDMA.
B. Change from omni to directional.
C. Change the SSID.
D. Change the frequency.

A network administrator installed a new data and VoIP network. Users are now experiencing poor call quality
when making calls. Which of the following should the administrator do to increase VoIP performance?


A. Configure a voice VLAN.
B. Configure LACP on all VoIP phones.
C. Configure PoE on the network.
D. Configure jumbo frames on the network.

Network traffic is being compromised by DNS poisoning every time a company's router is connected to the
internet. The network team detects a non-authorized DNS server being assigned to the network clients and
remediates the incident by setting a trusted DNS server, but the issue occurs again after internet exposure.
Which of the following best practices should be implemented on the router?


A. Change the device's default password.
B. Disable router advertisement guard.
C. Activate control plane policing.
D. Disable unneeded network services.

Which of the following can be used to validate domain ownership by verifying the presence of pre-agreed
content contained in a DNS record?


A. SOA
B. SRV
C. AAA
D. TXT

Which of the following would be BEST to install to find and block any malicious users within a network?


A. IDS
B. IPS
C. SCADA
D. ICS

A network technician receives a report from the server team that a server's network connection is not working correctly. The server team confirms the server is operating correctly except for the network connection. The technician checks the switchport connected to the server and reviews the following data:

Which of the following should the network technician perform to correct the issue?

A. Replace the Cat 5 patch cable with a Cat 6 cable.
B. Install a crossover cable between the server and the switch.
C. Reset the switchport configuration.
D. Use NetFlow data from the switch to isolate the issue.
E. Disable MDIX on the switchport and reboot the server.

The following DHCP scope was configured for a new VLAN dedicated to a large deployment of 325 IoT sensors:

The first 244 IoT sensors were able to connect to the TFTP server, download the configuration file, and register to an IoT management system. The other sensors are being shown as offline. Which of the following should be performed to determine the MOST likely cause of the partial deployment of the sensors?

A. Check the gateway connectivity to the TFTP server.
B. Check the DHCP network scope.
C. Check whether the NTP server is online.
D. Check the IoT devices for a hardware failure.

An attacker targeting a large company was able to inject malicious A records into internal name resolution
servers. Which of the following attack types was MOST likely used?


A. DNS poisoning
B. On-path
C. IP spoofing
D. Rogue DHCP

An organization set up its offices so that a desktop is connected to the network through a VoIP phone. The
VoIP vendor requested that voice traffic be segmented separately from non-voice traffic. Which of the following
would allow the organization to configure multiple devices with network isolation on a single switch port?


A. Subinterfaces
B. Link aggregation
C. Load balancing
D. Tunneling