A technician is equipped with a tablet, a smartphone, and a laptop to troubleshoot a switch with the help of
support over the phone. However, the technician is having issues interconnecting all these tools in
troubleshooting the switch. Which of the following should the technician use to gain connectivity?


A. PAN
B. WAN
C. LAN
D. MAN

A network administrator wants to control new router deployments via the use of application programming
interfaces (APIs). This would be an example of:


A. software-defined networking.
B. a three-tiered architecture.
C. collapsed backbone.
D. top-of-rack switching.

An IP address is maintained despite a failing UPS that causes a workstation to restart several times. Which of
the following would allow this to occur?


A. DHCP reservation
B. DHCP scope
C. Name server
D. Root DNS server

A company is reviewing ways to cut the overall cost of its IT budget. A network technician suggests removing
various computer programs from the IT budget and only providing these programs on an as-needed basis.
Which of the following models would meet this requirement?


A. Multitenancy
B. IaaS
C. SaaS
D. VPN

A security engineer is trying to determine whether an internal server was accessed by hosts on the internet.
The internal server was shut down during the investigation. Which of the following will the engineer review to
determine whether the internal server had an unauthorized access attempt?


A. The ARP table
B. The NetFlow statistics
C. The firewall logs
D. The audit logs on the core switch

An engineer needs to verify the external record for SMTP traffic. The engineer logged in to the server and
entered the nslookup command. Which of the following commands should the engineer send before entering
the DNS name?


A. set type=A
B. ls -d company.mail.com
C. set domain=company.mail.com
D. set querytype=MX

Which of the following bandwidth management techniques uses butters at the client side to prevent TCP
retransmissions from occurring when the ISP starts to drop packets of specific types that exceed the agreed
traffic rate?


A. Traffic shaping
B. Traffic policing
C. Traffic marking
D. Traffic prioritization

Which of the following architectures is used for FTP?


A. Client-server
B. Service-oriented
C. Connection-oriented
D. Data-centric

Which of the following is a requirement when certifying a network cabling as Cat 7?


A. Ensure the patch panel is certified for the same category.
B. Limit 10Gb transmissions to 180ft (55m).
C. Use F-type connectors on the network terminations.
D. Ensure the termination standard is TIA/EIA-568-A.

A network administrator is investigating a performance issue on a dual-link connection — VPN and MPLS — to
a partner network. The MPLS is the primary path, and the VPN is used as a backup. While communicating, the
delay is measured at 18ms, which is higher than the 6ms expected when the MPLS link is operational but lower
than the 30ms expected for the VPN connection. Which of the following will MOST likely point to the root cause
of the issue?


A. Checking the routing tables on both sides to ensure there is no asymmetric routing
B. Checking on the partner network for a missing route pointing to the VPN connection
C. Running iPerf on both sides to confirm the delay that is measured is accurate
D. Checking for an incorrect VLAN assignment affecting the MPLS traffic