JK0-019 Exam Questions

Which of the following network protocols is used to resolve FQDNs to IP addresses?

Which of the following network protocols is used for a secure command line interface for management of network devices?

Which of the following network protocols is used to transport email between servers?

A user is having difficulty connecting a laptop to the company's network via a wireless connection. The user can connect to the network via a wired NIC. The technician suspects the...

Ann, a technician, installs a new WAP and users are able to connect; however, users cannot access the Internet. Which of the following is the MOST likely cause of the problem?

An administrator is using a packet sniffer to try to determine what is causing the traffic on the network. The administrator sees a lot of packets on port 25. Which of the followin...

Which of the following is the BEST way to prevent new users from connecting to a wireless access point, but still allow already connected users to continue to connect?

Which of the following should be used when throughput to the destination network is a priority?

Users have reported issues accessing an Internet website. The network technician wants to verify network layer connectivity. Which of the following tools can provide the verificati...

A network technician is concerned that a user is utilizing a company PC for file sharing and using a large amount of the bandwidth. Which of the following tools can be used to iden...

A network technician is concerned that an attacker is attempting to penetrate the network, and wants to set a rule on the firewall to prevent the attacker from learning which IP ad...

A network technician has configured a new firewall with a rule to deny UDP traffic. Users have reported that they are unable to access Internet websites. The technician verifies th...

The ISP needs to terminate the WAN connection. The connection should be located in the network server room where the company LAN equipment resides. Which of the following identifie...

A recent flood in the office caused a lot of equipment to be damaged and the manager of the IT department would like a way to prevent such an incident in the future. Which of the f...

Which of the following describes a single computer that is setup specifically to lure hackers into revealing their methods, and preventing real attacks on the production network?

Which of the following is the FASTEST Ethernet technology?

A Chief Executive Officer (CEO) decided that only a limited number of authorized company workstations will be able to connect to the Internet. Which of the following would BEST acc...

Network upgrades have been completed and the WINS server was shutdown. It was decided that NetBIOS network traffic will no longer be permitted. Which of the following will accompli...

Companies trying to cut down on constant documentation of IP addresses could use which of the following?

Multiple computers are connected to a hub near a wall plate. In order to get to the computers, students step on and around the cable that connects the teacher's station, a few feet...

A user has network connectivity per the link lights on the NIC, but cannot access any network resources or the Internet. Which of the following commands should the technician run F...

In order to discover the currently unknown IP address of the next-hop router, a network administrator would begin by using which of the following tools?

A network administrator suspects that recent traffic problems could be caused by a high CPU load on company routers. Which of the following would BEST be used to monitor CPU cycles...

Which of the following network topologies describes a network where each node is connected to every other node?

Which of the following DHCP properties defines the size of the pool of available IP addresses?

Which of the following supports faster wireless broadband speeds?

A NAS appliance has had a failed NIC replaced. Now the NAS appliance is no longer visible on the network. Which of the following is the MOST likely cause of the problem?

A network administrator must ensure that both the server and the client are authenticated to the wireless system before access is granted. Which of the following should be implemen...

A network administrator is implementing a wireless honeypot to detect wireless breach attempts. The honeypot must implement weak encryption to lure malicious users into easily brea...

Which of the following protocols works at the LOWEST layer of the OSI model?

A network administrator is tasked with deploying a company-wide wireless system which allows for accurate tracking of employees' wireless device locations via WAP triangulation. Wh...

A network administrator needs to implement a monitoring tool and be able to send log information to a server and receive log information from other clients. Which of the following...

Which of the following network appliances will only detect and not prevent malicious network activity?

Ann, a home user, wishes to confine a wireless network to devices ONLY inside of her house. Which of the following will accomplish this?

A large company has experienced Internet slowdowns as users have increased their use of the Internet. Which of the following can the Network Administrator use to determine the amou...

An employee connects to a work computer from home via the built-in Windows remote desktop connection. Which of the following is MOST likely being used to establish the connection?

A user reports intermittent network connectivity. Which of the following should a technician configure on the managed switch to help troubleshoot this issue?

Joe, a technician, suspects a virus has infected the network and is using up bandwidth. He needs to quickly determine which workstation is infected with the virus. Which of the fol...

When troubleshooting a connectivity issue, which of the following commands will give the technician a list of the host names connected to the network?

Which of the following WAN technologies has the HIGHEST latency?

Which of the following connectors are MOST commonly used on a POTS line?

Which of the following cable types is required to run through an air duct?

Which of the following technologies can cause interference for 802.11g?

A technician has low signal strength connecting two wireless bridges. Which of the following could be the problem?

Which of the following reduces the deployment cost of a wireless LAN?

Which of the following is a terminal emulator used to manage a network device?

A network administrator suspects a broadcast storm is causing performance issues on the network. Which of the following would be used to verify this situation?

Users are reporting that external web pages load slowly. The network administrator determines that the Internet connection is saturated. Which of the following is BEST used to decr...

Discover, Offer, Request, and Acknowledge are the steps for which of the following protocols?

Which of the following commands displays the routing table on a server or workstation?