Network+ 4

A user is unable to navigate to a website because the provided URL is not resolving to the correct IP address. Other users are able to navigate to the intended website without issue. Which of the following is most likely causing this issue?

• Hosts file

• Self-signed certificate

• Nameserver record

• IP helper

A network administrator wants to configure a backup route in case the primary route fails. A dynamic routing protocol is not installed on the router. Which of the following routing features should the administrator choose to accomplish this task?

• Neighbor adjacency

• Link state flooding

• Administrative distance

• Hop count

A client wants to increase overall security after a recent breach. Which of the following would be best to implement? (Select two.)

• Least privilege network access

• Dynamic inventories

• Central policy management

• Zero-touch provisioning
  

• Configuration drift prevention

A network administrator configured a router interface as 10.0.0.95 255.255.255.240. The administrator discovers that the router is not routing packets to a web server with IP 10.0.0.81/28. Which of the following is the best explanation?

• The web server is in a different subnet.

• The router interface is a broadcast address.

• The IP address space is a class A network.

• The subnet is in a private address space.

Which of the following devices can operate in multiple layers of the OSI model?

• Hub

• Switch

• Transceiver

• Modem

A network administrator needs to connect two routers in a point-to-point configuration and conserve IP space. Which of the following subnets should the administrator use?

• 724

• /26

• /28

• /30

An administrator is setting up an SNMP server for use in the enterprise network and needs to create device IDs within a MIB. Which of the following describes the function of a MIB?

• DHCP relay device

• Policy enforcement point

• Definition file for event translation

• Network access controller

A storage network requires reduced overhead and increased efficiency for the amount of data being sent. Which of the following should an engineer likely configure to meet these requirements?

• Link speed

• Jumbo frames

• QoS

• 802.1q tagging

A network manager wants to implement a SIEM system to correlate system events. Which of the following protocols should the network manager verify?

• NTP

• DNS

• LDAP

• DHCP

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.

• The administrator configured an incorrect default gateway.

• The administrator did not provision enough routes.

• The administrator did not provision enough MAC addresses.