JK0-019 Exam Questions

Joe, a user, has a computer that has a link light on his network interface card (NIC); however, Joe is unable to access the Internet. Which of the following is the cause of this is...

Which of the following can a network technician change to help limit war driving?

Which of the following is an example of a CSMA/CD medium?

Which of the following performance optimization techniques would be MOST beneficial for a network-wide VoIP setup? (Select TWO).

A network technician is troubleshooting signal problems with certain WAPs in an office and finds consistently high ping times across the units. Such an issue is called which of the...

A customer has requested a solution using multiple WAPs for wireless access. Which of the following should be different on each WAP to prevent wireless problems?

Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass on its default port?

Which of the following copper cable types should be chosen to run gigabit speeds through a dropped ceiling that returns airflow?

Management has decided that they want a high level of security. They do not want Internet requests coming directly from users. Which of the following is the BEST recommendation?

Management wants to be sure that the existing wiring infrastructure conforms to CAT5e standards. Which of the following is the correct tool?

A company wants to secure its WAPs from unauthorized access. Which of the following is the MOST secure wireless encryption method?

Which of the following will allow a technician to monitor all network traffic when connected to a mirror port?

A customer wants to increase firewall security. Which of the following are common reasons for implementing port security on the firewall? (Select TWO).

A user reports that some normally accessible external sites are not responding, but most other sites are responding normally. Which of the following is MOST likely the cause?

The security measure used to reduce vulnerabilities for MOST network devices that require regular application and monitoring is:

A user wants to connect seven PCs together for a game night. Which of the following should the user install to help with this task?

Which of the following defines the amount of time a host retains a specific IP address before it is renewed or released?

Which of the following appliances creates and manages a large number of secure remote-access sessions, and also provides a high availability solution?

A customer wants to keep cost to a minimum and has only ordered a single static IP address from the ISP. Which of the following must be configured on the router to allow for all th...

After a technician has identified the problem and its impact, which of the following steps should be performed NEXT?

Which of the following wireless standards has a MAXIMUM transfer rate of 11Mbps?

A technician tests a cable going to the patch panel and notices the following output from the cable tester: 1------------------1 2------------------2 3------------------3 4--------...

Which of the following monitoring devices are used only to recognize suspicious traffic from specific software?

Which of the following security appliances are used to only identify traffic on individual systems?

Which of the following components of wiring distribution is referred to as the core communications closet for an organization?

Which of the following LAN technologies is used to provide a MAXIMUM bandwidth of 1Gbps through singlemode fiber?

Which of the following does Kerberos provide?

Which of the following does Kerberos use to authenticate?

After a network technician has added a new workstation and cabling to the network, users report the network is very slow. The activity lights on all switches are blinking rapidly,...

Users have reported choppy audio in phone conversations since the implementation of SIP phones on the network. Which of the following should be implemented to alleviate the delays?

A company has recently allowed its employees to telecommute two days a week. The employees MUST have a minimum of 1Mbps non-shared connection to the Internet. Which of the followin...

A customer with a SOHO requires fast, secure, cost-effective access to the Internet. Which of the following would be the MOST appropriate solution? (Select TWO).

At which of the following layers do frames exist? (Select TWO).

A user is unable to access any network resources. The IP configuration of the workstation is as follows: IP Address: 192.168.10.32 Subnet Mask: 255.255.255.240 Default Gateway: 192...

A technician has replaced the Internet gateway router, and now no users can reach the Internet. The technician can ping the router Ethernet port but not the ISP's router IP address...

Which of the following commands will display the associated IP address of a network adapter in Windows and Linux environments? (Select TWO).

A router operates at which of the following layers of the OSI model?

When querying a DNS server for an AAAA record, which of the following is an appropriate response?

A computer on VLAN 10 with the IP address of 192.168.1.45/27 cannot ping a computer on VLAN 20 with the IP address of 192.168.1.65/27. Which configuration change will allow the PIN...

Which of the following network devices restricts traffic based on words, signatures, and URLs?

A new firewall was recently installed blocking SMTP traffic. As a result, no one has Internet access. Which of the following has MOST likely occurred?

Please refer to the attached exhibit. Which of the following types of configuration management documentation is represented?

Which of the following is the only standard that can operate at either frequency?

Which of the following wireless standards provide speed of 11Mbps?

A computer's DNS has bad cach records.which tools can be used to clear the DNS record.

Which of the following a network technician would use to reverse engineer malware and virus?

Which of the following protocols uses port 3389 by default?

Which of the following can operate on BOTH the 2.4GHz and 5.8GHz frequencies?

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

The technician is working on a DNS problem. Which of the following software tool is the technician MOST likely to use to troubleshoot this issue?