JK0-019 Exam Questions

Which of the following would a technician do to monitor remote traffic through an access point?

Which of the following commands can a network technician use to check whether the DNS server for a given domain is reachable?

Which of the following standards can operate at either 20MHz or 40MHz channel spacing?

A client's computer is unable to access any network resources. Which of the following utilities can a technician use to determine the IP address of the client's machine?

A user's computer is unable to access the Internet. Which of the following utilities can a technician use to determine if DNS is working?

Which of the following can MOST likely cause intermittent connection problems with a CAT5 network cable?

Given a subnet mask of 255.255.255.0, how many usable IP addresses would be in that subnet?

On which of the following OSI model layers would a MAC address be used?

Joe, a network technician, is troubleshooting in a wiring closet in 2011. The cabling to all the equipment does not match the documentation from 2007. Which of the following config...

Which of the following TCP/IP model layers does the OSI model Presentation layer map to?

Which of the following properties of DHCP would a technician use to ensure an IP address is not leased out from the active scope?

A network technician needs to configure a port on a switch to provide connectivity and electrical support to a WAP being installed in a warehouse. Which of the following features n...

Which of the following reasons would MOST likely be used to implement QoS and traffic shaping solutions?

Which of the following uses SSL encryption?

Users notice a problem with their network connectivity when additional lights are turned on. Which of the following would be the cause for this problem?

Ann, a network technician, has been troubleshooting a connectivity problem in the LAN room. Ann has diagnosed the problem and implemented a solution. Which of the following would b...

A network technician is troubleshooting a user's connectivity problem, and has determined a probable cause. The technician is at which step in the troubleshooting methodology?

Spanning-Tree Protocol is used with which of the following network devices?

In a SOHO environment, placing a VoIP unit on the outside edge of a LAN router enhances which of the following network optimization methods?

The network support team is constantly getting calls from users in a specific area of an office building. The users are able to connect to the office wireless network, but they som...

A technician wants to separate networks on a switch. Which of the following should be configured to allow this?

A user does not have network connectivity. While testing the cable the technician receives the below reading on the cable tester: 1-----------1 2-----------2 3-----------3 4-------...

A technician needs multiple networks, high speeds, and redundancy on a system. Which of the following configurations should be considered for these requirements? (Select TWO).

A technician decides to upgrade a router before leaving for vacation. While away, users begin to report slow performance. Which of the following practices allows other technicians...

Which of the following would a network administrator recommend to satisfy fault tolerance needs within the datacenter?

During a disaster recovery test, several billing representatives need to be temporarily setup to take payments from customers. It has been determined that this will need to occur o...

Which of the following wiring distribution types, often found in company closets, is used to connect wiring from individual offices to the main LAN cabling?

Which of the following network access security methods ensures communication occurs over a secured, encrypted channel, even if the data uses the Internet?

Which of the following is the difference between 802.11b and 802.11g?

Users are reporting that some Internet websites are not accessible anymore. Which of the following will allow the network administrator to quickly isolate the remote router that is...

A network administrator is responding to a statement of direction made by senior management to implement network protection that will inspect packets as they enter the network. Whi...

In contrast to earlier Wi-Fi speeds, which of the following BEST describes the antenna and channelization properties used in 802.11n?

A network administrator is looking to implement a solution allowing users to utilize a common password to access most network resources for an organization. Which of the following...

A strong network firewall would likely support which of the following security features for controlling access? (Select TWO).

A CAT5e network cable run needs to be installed over fluorescent lighting arrays in an office building. Which of the following cable types would be BEST suited for such an installa...

Which of the following wireless standards provide speeds up to 150Mbps?

Which of the following defines a rack located in an office building between the main rack and other office equipment?

Which of the following connectors is usable in SFP modules?

A small office has created an annex in an adjacent office space just 20 feet (6 meters) away. A network administrator is assigned to provide connectivity between the existing offic...

Which of the following would MOST likely be used by a network administrator to test DNS resolution?

A technician is developing a shortcut sheet for the network to be able to assist in future troubleshooting scenarios. Which of the following should the network devices have to ease...

A technician is troubleshooting a computer that will not connect to the Internet. The PC is connected to the network. Which of the following tools should the technician use FIRST t...

A user reports that several spots within the company's office have intermittent connectivity issues with the newly installed wireless network. There are several WAPs located around...

Ann, a new user, has a workstation that has connectivity to the printer located in her department, but cannot access the Internet. The result of an ipconfig command on Ann's workst...

A customer is implementing a VoIP infrastructure using an existing network. The customer currently has all network devices on the same subnet and would like the phones to be powere...

A customer is having problems connecting to a wireless network in a shared office space. The customer can detect several other wireless network signals. All of the wireless network...

Users at a remote site are unable to establish a VPN to the main office. At which of the following layers of the OSI model does the problem MOST likely reside?

A network technician is setting up a wireless access point that would only allow a certain laptop to be able to access the WAP. By using ACL, which of the following would be filter...

Which of the following is the common port used for IMAP?

A company has just installed a new network switch for an expanding department. The company is also piloting the use of a VoIP phone system for this department. Which of the followi...