Which of the following records can be used to track the number of changes on a DNS zone?


A. SOA
B. SRV
C. PTR
D. NS

A switch is connected to another switch. Incompatible hardware causes a surge in traffic on both switches.
Which of the following configurations will cause traffic to pause, allowing the switches to drain buffers?


A. Speed
B. Flow control
C. 802.1Q
D. Duplex

A help desk engineer needs to configure two servers to have the same public IP addresses. Which of the
following technologies should the engineer use?


A. NAT
B. VIP
C. DNS caching
D. RFC 1918
E. SDWAN

A client who shares office space and an IT closet with another company recently reported connectivity issues
throughout the network. Multiple third-party vendors regularly perform on-site maintenance in the shared IT
closet. Which of the following security techniques would BEST secure the physical networking equipment?


A. Disabling unneeded switchports
B. Implementing role-based access
C. Enabling logging
D. Configuring an access control list

A security vendor needs to add a note to the DNS to validate the ownership of a company domain before
services begin. Which of the following records did the security company MOST likely ask the company to
configure?


A. TXT
B. AAAA
C. CNAME
D. SRV

Which of the following documents is MOST likely to be associated with identifying and documenting critical
applications?


A. Software development life-cycle policy
B. User acceptance testing plan
C. Change management policy
D. Business continuity plan

A technician is contracted to install a redundant cluster of devices from the ISP in case of hardware failure
within the network. Which of the following would provide BEST redundant solution in Layer 2 devices?


A. Multiple routers
B. Multiple switches
C. Multiple firewalls
D. Multiple bridges

While setting up a new workstation, a technician discovers that the network connection is only 100 full duplex
(FD), although it is connected to a gigabit switch.
While reviewing the interface information in the switch CLI, the technician notes the port is operating at 100FD
but shows many RX and TX errors. The technician moves the computer to another switchport and experiences
the same issues.
Which of the following is MOST likely the cause of the low data rate and port errors?


A. Bad switchports
B. Faulty drivers
C. Cable length
D. Incorrect pin-out

A network security engineer locates an unapproved wireless bridge connected to the corporate LAN that is
broadcasting a hidden SSID, providing unauthenticated access to internal resources. Which of the following
types of attacks BEST describes this finding?


A. Rogue access point
B. Evil twin
C. ARP spoofing
D. VLAN hopping

Which of the following is an example of on-demand scalable hardware that is typically housed in the vendor's
data center?


A. DaaS
B. IaaS
C. PaaS
D. SaaS