Networking 6
Which of the following routing protocols uses an autonomous system number?
BGP
Which of the following is a characteristic of the application layer?
It relies upon other layers for packet delivery.
Which of the following IP transmission types encrypts all of the transmitted data?
ESP
Which of the following should be configured so users can authenticate to a wireless network using company credentials?
RADIUS
A network engineer performed a migration to a new mail server. The engineer changed the MX record, verified the change was accurate, and confirmed the new mail server was reachable via the IP address in the A record. However, users are not receiving email. Which of the following should the engineer have done to prevent the issue from occurring?
Reduce the TTL record prior to the MX record change.
Which of the following should a network administrator configure when adding OT devices to an organization's architecture?
Network segmentation
To reduce costs and increase mobility, a Chief Technology Officer (CTO) wants to adopt cloud services for the organization and its affiliates. To
reduce the impact for users, the CTO wants key services to run from the on-site data center and enterprise services to run in the cloud. Which of
the following deployment models is the best choice for the organization?
Hybrid
Which of the following is used to describe the average duration of an outage for a specific service?
MTTR
A network engineer is setting up a new VoIP network for a customer. The current network is segmented only for computers and servers. No additional switch ports can be used in the new network. Which of the following does the engineer need to do to configure the network correctly?
(Choose two.)
Enable 802.1Q, Set up voice VLANs.
A network rack has four servers and four switches with dual power supplies. Only one intelligent PDU is installed in the rack. Which of the following is the reason to add a second PDU?
Power redundancy
Which of the following allows a user to connect to an isolated device on a stand-alone network?
Jump box
Early in the morning, an administrator installs a new DHCP server. In the afternoon, some users report they are experiencing network outages. Which of the following is the most likely issue?
The administrator did not provision enough IP addresses.
A company is implementing a policy that will not allow employees to bring personal devices to the office and connect to the wireless network.Which of the following is the best way to enforce this policy?
802.1X
A network engineer is troubleshooting an issue with a VoIP network. After performing analysis, the engineer found that when users upload large files, voice quality is severely degraded. When no other traffic is on the network, voice quality is fine. Which of the following should the engineer do to most likely resolve the issue?
Configure QoS on the router.
Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?
RPO
A network administrator needs to improve network monitoring. Which of the following should the administrator do first?
Establish baseline metrics.
A network administrator is troubleshooting issues with a DHCP server at a university. More students have recently arrived on campus, and the users are unable to obtain an IP address. Which of the following should the administrator do to address the issue?
Increase the scope size.
Which of the following is designed to distribute network traffic among devices based on the quantity of traffic?
Load balancer
A user recently moved a workstation to a different part of the office. The user is able to access the internet and print but is unable to access server resources. Which of the following is the most likely cause of the issue?
Wrong VLAN assignment
A technician is planning an equipment installation into a rack in a data center that practices hot aisle/cold aisle ventilation. Which of the following directions should the equipment exhaust face when installed in the rack?
Rear
A network administrator needs to add 255 useable IP addresses to the network. A /24 is currently in use. Which of the following prefixes would fulfill this need?
/23
Which of the following allows an organization to map multiple internal devices to a single external-facing IP address?
NAT
Which of the following steps in the troubleshooting methodology includes checking logs for recent changes?
Identify the problem.
Which of the following configurations exempts traffic to the internet from traversing a VPN?
Split-tunnel
Which of the following ports creates a secure connection to a directory service?
636