JK0-023 Online Practice Questions and Answers

How many collision domains and broadcast domains are present on a 24-port switch with no VLAN assignments?

A. 1 collision domainf 1 broadcast domain

B. 1 collision domainf 24 broadcast domains

C. 24 collision domainsf 1 broadcast domain

D. 24 collision domainsf 24 broadcast domains

Which of the following protocols is MOST commonly associated with VoIP?

A. LDAP

B. HTTPS

C. SIP

D. SCP

Lisaf a network technicianf would like to keep the IP address of the Human Resource departmentns server in the same group of 100 DHCP IP addresses that are assigned to the Human Resource department's employee workstatons. Which of the following would BEST allow this and have the ability for the server to keep the same IP address?

A. Implement a set of statc IPs for the entre human resource department.

B. Use a DHCP reservaton for the server IP address.

C. Use a small DHCP scope for the human resource department.

D. Connect the server to a router in the network closet on the same foor.

Kurtf a network technicianf is trying to set up a SOHO network to allow Internet connectvity for all employees based on the following hardware: 4 computers with LAN and wireless cards 1 router with 3 LAN ports 2 Ethernet cables 1 cable modem The manager would like as many of the computers as possible to be physically connectedf instead of using wireless. Which of the following scenarios would meet this requirement based on the equipment available?

A. The router should be connected to the modem and one PC can be physically connected to the router. All other PCs must connect wirelessly.

B. The modem should be physically connected to the router and two PCs can be physically connected to the router. All other PCs must connect wirelessly.

C. The router should be connected to the modem and three PCs can be physically connected to the router. The other PC must connect wirelessly.

D. The modem should be physically connected to one PC. All other PCs must connect wirelessly.

A large corporate ofce is looking to place smaller network closets around campus to handle switching for remote workstatons. To which of the following is this referring?

A. MDF

B. VPN

C. RDP

D. IDF

Which of the following network optmiiaton methods would be BEST to implement to increase bandwidth for an internal streaming video server?

A. ISDN

B. QoS

C. Upgrade to 10baseT

D. Bufer overfow

Which of the following BEST describes a load balancer?

A. A device that splits trafc between multple nodes of a clustered service.

B. A device that allows multple computers to access the internet through a single public IP address.

C. A device that flters internet content based on rules and ACLs.

D. A device that separates users onto separate WAPs for even distributon.

A company wants to simplify network authentcaton for their users. Which of the following would be used to implement wireless security with single sign-on?

A. WPA2 enterprise

B. WEP

C. Stateful frewall

D. PAT

A user calls the helpdesk to report not being able to access network resources over the companyns Wi-Fi connecton. During informaton gatheringf the user mentons that the wireless network their computer is signed into is not the same name as it had been previously. Which of the following is the underlying cause?

A. SSID mismatch

B. Incorrect WPA key

C. Signal bounce

D. Antenna placement

Which of the following protocols is MOST commonly used for the transfer of router confguraton fles?

A. SSL

B. TFTP

C. DNS

D. IMAP