JK0-019 Exam Questions

Which of the following would a network administrator use to scan a network for vulnerabilities?

Which of the following attack types is being used if the originating IP address has been spoofed?

The BEST way to determine the next hop of a packet is to check the:

Which of the following cable types is unshielded?

Which of the following wireless standards can transmit data up to 540Mbps?

Which of the following preventative measures would BEST secure a web server from being port scanned by attackers publicly?

A user calls the helpdesk to report not being able to access network resources over the company's Wi-Fi connection. During information gathering, the user mentions that the wireles...

A consultant has been hired to wire a simple small office of ten computers to a layer 2 Ethernet 100BaseT switch. Which of the following cabling will be needed for the installation...

A customer has requested that a new piece of network equipment be installed so that the customer can have multiple subnets for each department, but allow network traffic from each...

A user moves from one office to another. When the user logs onto their computer, it has local access to shared drives but no Internet access. A technician determines that the compu...

A user's network connection is slow. After testing the cabling, the cable tester shows that only pins 1, 2, 3 and 6 are being used. After accurately terminating both ends, the test...

Which of the following provides RSA encryption at the session layer?

Which of the following security devices can receive and process HTTP requests from hosts to allow or deny traffic for web browsing purposes only?

A security appliance is blocking a DDoS attack on the network. Which of the following logs would be used to troubleshoot the traffic patterns trying to go across the network?

The network technician is troubleshooting a connectivity issue on a CAT5 cable with a wire map and notices that only pins 1, 3, and 6 are mapping correctly. Which of the following...

Which of the following wireless standards can operate on the same frequency but are not compatible?

The DHCP server leases IP addresses 10.162.233.158 to WBAC11 for a period of 14 days. At which of the following times would WBAC11 send an initial request to the DHCP server to ren...

A technician is trying to add another switch to the network with multiple VLANs. Which of the following should the technician configure on the interface to allow multiple VLANs?

A company is experiencing a denial of service attack and wants to identify the source IP address of the attacker in real time. Which method is the BEST way to accomplish this?

A technician suspects invalid information in the local DNS cache of a workstation. Which of the following commands can be used to clear this?

Which of the following would be used to run an instance of a Layer 2 device within an application?

A technician is unable to easily trace physical connections within a network rack. Which of the following practices would save time in the future?

Which of the following syslog severity codes indicates an emergency and that the system is unusable?

Using source port numbers as a way to keep track of connections is a characteristic of which of the following protocols?

A consultant is installing new WAPs for an office using wall mounts. Which of the following is the BEST location for the new boxes for signal strength and coverage?

A technician has narrowed down the cause of a problem to two possible sources. Which of the following should the technician do NEXT?

A company has multiple WAPs within close proximity to each other to allow users to move about seamlessly through the building with their laptops, without losing any connection. How...

Which of the following can be used to prioritize network streams to optimize performance for certain traffic types?

An administrator is attempting to troubleshoot a program that is unable to resolve IP addresses from FQDNs. Which of the following commands is used to check reverse DNS settings?

Which of the following is a fiber connector that is slightly smaller than a standard copper network cable connector?

A user arrives at a new house and the Internet provider states the connection will run through the cable. If the user wants to install multiple PCs, which of the following will the...

A user reports that they are unable to connect to the network. Upon further investigation, a technician notices that the user has an IP address/subnet mask combination of 192.168.2...

A user is unable to communicate with any local network resources, but is connected to the wireless network and can access the Internet. The network technician notices that the lapt...

A network technician has been asked to look into a report from the IDS to determine why traffic is being sent from an internal FTP server to an external website. Which of the follo...

Which of the following DNS records must be queried to resolve the IPv6 address of a website?

Due to a recent change in company policy, all users managing network infrastructure devices must use SSH v2 and all administrative activity must be collected on a central store. Wh...

Which of the following protocols is used to send time synchronization updates on a given network?

A network is having problems with traffic flowing to several critical websites that are used for necessary company work. Which of the following appliances would BEST handle network...

Which of the following wireless router security measures provides access to a network by allowing only devices on an approved physical address list?

A company needs to find a way to best route latency-sensitive traffic appropriately on an already congested network. Which of the following would be BEST suited for this purpose?

Which of the following network protocols is used to transport email across the Internet?

Which of the following BEST describes a load balancer?

An administrator has set up a NIPS and connected it to the same switch as the internal firewall interface and the internal router. The device, however, only detects traffic from it...

An application is using port 2000 on a PC. Which of the following could an administrator do to determine what software is listening on that port?

The TCP/IP application layer contains which of the following OSI layers?

Which of the following is MOST commonly implemented for remote access to UNIX systems?

Which of the following BEST describes a firewall that can be installed via Add/Remove programs on a Windows computer?

A user is unable to open up websites on the Internet from a browser. The administrator determines that the workstation can ping its local gateway, but not the remote web server. At...

Which wireless standard works at a MAXIMUM data rate of up to 11Mbps?

Which of the following is the radio frequency and data rate for 802.11g as specified by the IEEE standards?