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Which of the following describes a design where traffic is shared between multiple network servers to provide greater throughput and reliability? A. Load balancing B. MPLS trunking C. VLAN tagging D. Multiplexing - Correct Answer ✅Load balancing Ann, a network administrator, is in the process of cleaning network switches for resale. Ann splashes the cleaning agent in her eye and needs to know the procedure of cleansing her eye. To which of the following should Ann refer? A. EULA B. MSDS C. SLA D. MOU - Correct Answer ✅MSDS When network administrators observe an increased amount of web traffic without an increased number of financial transactions, the company is MOST likely experiencing which of the following attacks? A. Bluejacking B. ARP cache poisoning C. Phishing D. DoS - Correct Answer ✅DoS Which of the following transmission methods is used for network utilizing the 802.3 standard? A. MAC
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B. Synchronous C. DSSS D. Broadband E. Baseband - Correct Answer ✅MAC A technician is installing a media converter that connects a newly installed multimode connection to an existing CAT5e infrastructure. Which of the following media converter types should the technician use? A. Ethernet to coaxial B. Fiber to Ethernet C. Fiber to coaxial D. Multimode to single mode fiber - Correct Answer ✅Fiber to Ethernet All scheduled work on production network equipment should be done during which of the following periods? A. Maintenance window B. Development life cycle C. Down time D. Business hours - Correct Answer ✅Maintenance window An administrator needs to install a centrally located firewall that needs to block specific incoming and outgoing IP addresses, without denying legitimate return traffic. Which of the following firewall types should the administrator install? A. A host- based firewall B. A network-based firewall C. A host-based stateful firewall
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C. The cableis a cross over. D. The cable has RJ-11 connectors instead of RJ-45. - Correct Answer ✅The cable is a straight through. A network administrator has configured a new 100Mbs WAN circuit, but speed testing shows poor performance when downloading large files. The download initially reaches close to 100Mbps but begins to drop and show spikes in the downloads speeds over time. The administrator checks the router interface and sees the following: Router01#show interface eth 1/ GigabitEthernet 1/1 is up, line is up Hardware is GigabitEthernet, address is 000A.00BB.CC Configured speed auto, actual 1Gbit, configured duplex fdx, actual fdx Member of L2 VLAN 1, port is untagged, port state is forwarding Which of the following is MOST likely to resolve the issue? A. Shutdown and then re-enable this interface B. Reset the statistics counter for this interface C. Remove default 802.1q tag and set to server VLAN D. Apply egress port rate-shaping - Correct Answer ✅Remove default 802.1q tag and set to server VLAN Which of the following residential Internet medias would employ the DOCSIS standard? A. Fiber B. DSL C. Cable D. 3G/LTE
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E. Cellular - Correct Answer ✅Cable Two switches are connected using both a CAT6 cable and a CAT5e cable. Which of the following problems is occurring? A. Missing route B. Autosensing ports C. Improper cable types D. Switching loop E. Media mismatch - Correct Answer ✅Switching loop A network technician has just run a new point-to point fiber link between two local routers, however, after the fiber has been plugged in on both ends, the interface will not come up. The technician has double- checked the interface configuration on both routers, both SFPs have been hard looped to confirm they are functioning, connectors on both ends of the links have been cleaned, and there is sufficient optical power. Which of the following is the cause of the issue? A. Wavelength mismatch B. Duplex mismatch C. Distance limitations D. Wrong IP address - Correct Answer ✅Wavelength mismatch Which of the following is BEST used to perform a one-time temporary posture assessment in a NAC environment? A. Intrusion prevention system B. Host-based firewall C. Non-persistent agent
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A technician is able to successfully ping the database server but still is unable to connect. Which of the following is the issue? A. Missing IP routes on router B. Wrong default gateway address C. Software firewall is blocking ports D. Failing network interface card - Correct Answer ✅Software firewall is blocking ports A network administrator set up a network computer lab and discovered connectivity issues. The administrator is able to ping the fiber uplink interface, but none of the new PCs plugged into the switch respond to ICMP requests. Which of the following should the administrator perform FIRST? A. Check if there are link lights on the ports B. Checkthe ports on the switch for full duplex C. Check to see if port security is enabled D. Check to see if the uplink interface is configured correctly. - Correct Answer ✅Check if there are link lights on the ports A new network administrator is hired to replace a consultant that has been keeping the network running for several months. After a month, the network administrator is having network issues. The problems are easily resolved and appear to be changes in the server settings. The log files on the servers do not contain any error or messages related to the issues. Which of the following is a possible cause of the issues?
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A. TACASRadius misconfiguration is causing logs to be erased B. ICMP ping of death is resetting DHCP and DNS on the server C. A backdoor has been installed to access the network D. The last ACL on the router is set to Deny All - Correct Answer ✅A backdoor has been installed to access the network A technician is being tasked to centralize the management of the switches and segment the switches by broadcast domains. The company is currently all on VLAN1 using a single private IP address range with a 24 bit mask. The supervisor wants VLAN 100 to be the management subnet and all switches to share the VLAN information. Which of the following options would work BEST to accomplish these requirements? A. Use VLSM on the IP address range, with STP and 802.1q on the inter switch connections with native VLAN 100 B. Use VLSM on the IP address range with VTP and 802.1x on all inter switch connections with native VLAN 100 C. Use VLSM on VLAN1, with VTP and 802.1w on the inter switch connections with native VLAN 100 D. Use VLSM on the IP address range with VTP and 802.1q on the inter switch connections with native VLAN 100 - Correct Answer ✅Use VLSM on the IP address range with VTP and 802.1q on the inter switch connections with native VLAN 100 Joe, a system administrator, is troubleshooting an issue with remotely accessing a new server on the LAN. He is using an LMHOST file and the file contains the hostname and IP address of the new server. The server that he cannot remote to is located on the same LAN as another server that he can successfully remote to. Which of the following output from the command line would BEST resolve the problem? A. C:windowssystem32>ipconfig /flushdnsWindows IP configurationSuccessfully flushed DNS resolver cache
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The subnet only has one octet for the host portion of each device. Which of the following IP addresses would be assigned to the default gateway? A. 10.0.0. B. 169.254.0. C. 192.168.0. D. 224.0.0.1 - Correct Answer ✅192.168.0. A technician suspects that the email system is slow due to excessive incoming SPAM. Which of the following should the technician do according to the troubleshooting methodology? A. Verify full system functionality B. Block incoming email C. Establish a plan of action D. Gather information E. Consider multiple approaches - Correct Answer ✅Gather information A project manager is tasked with the planning of a new network installation for a client. The client wants to ensure that everything discussed in the meetings will be installed and configured when a network engineer arrives onsite. Which of the following should the project manager provide the client? A. Acceptable Use Policy B. Service Level agreement C. Statement of work D. Security Policy - Correct Answer ✅Statement of work A technician is in a large room that contains a large amount of industrial equipment.
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The technician would like to record the usable bandwidth between devices in a wireless network and the access point. Which of the following should the technician document? A. Goodput B. EMI C. Latency D. Jitter E. Overhead - Correct Answer ✅Goodput Coverage analysis for a new implementation of 802.11n WLAN involves which of the following? (Select TWO) A. Humidity B. Temperature C. Heatmap D. Building material E. Sight lines - Correct Answer ✅Building material Sight lines A technician has attempted to optimize the network but some segments are still reporting poor performance. Which of the following issues should the technician look at? A. Switch incorrectly set to full duplex B. Conflicting IP addresses C. Packet bottlenecks D. IP address scope depletion - Correct Answer ✅Packet bottlenecks
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cannot connect to the new wireless printer. All users are wireless in this area of the office. The used has MOST likely: A. Installed the printer in infrastructure mode B. Installed the printer in the wrong subnet C. misconfigured the gateway on the wireless printer D. installed the printer in ad-hoc mode - Correct Answer ✅installed the printer in ad-hoc mode A network administrator wants to logically separate web function servers on the network. Which of the following network devices will need to be configured? A. IPS B. Switch C. Hub D. HIDS - Correct Answer ✅Switch The administrator would like to use the strongest encryption level possible using PSK without utilizing an additional authentication server. Which of the following encryption types should be implemented? A. WPA2 Enterprise B. WEP C. MAC filtering D. WPA personal - Correct Answer ✅WPA2 Enterprise After moving to an adjacent cubicle, a user is reporting that the VoIP phone is randomly rebooting. When the technician relocates the equipment back to the previous space, the phone functions properly. No other stations are being affected. Which of the following is the MOST likely cause?
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A. Attenuation B. Bad UPS C. Cable short D. Misconfigured DNS - Correct Answer ✅Cable short A technician needs to use SNMP to manage several legacy devices. The technician wants to ask the vendor for specification that will provide SNMP monitoring of the devices. Which of the following will allow SNMP monitoring of the devices? A. SSH B. MIMO C. SYSLOG D. MIBS - Correct Answer ✅MIBS A network technician determines that two dynamically assigned workstations have duplicate IP addresses. Which of the following commands should the technician use to correct this problem? A. ipconfig /all B. ipconfig /dhcp C. ipconfig /release then ipconfig /renew D. ipconfig /renew - Correct Answer ✅ipconfig /release then ipconfig /renew A network technician wants to create a network where consultants can go to access the Internet without disrupting the intranet of the office. Which of the following should be created? A. Guest network B. VLAN network C. Security network
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Which of the following ports is used to provide secure sessions over the web by default? A. 22 B. 25 C. 80 D. 5004 - Correct Answer ✅ 22 An attack where the potential intruder tricks a user into providing sensitive information is known as which of the following? A. Social engineering B. Bluesnarfing C. Man-in-the-middle D. Evil Twin - Correct Answer ✅Social engineering After an employee connected a switch port of a home router to the wall jack in the office, other employees in the office started losing connectivity. Which of the following can be implemented on the company switch to prevent loss of connectivity in the future? A. Loop prevention B. ARP inspections C. DHCP snooping D. MAC address filtering - Correct Answer ✅Loop prevention A network technician responds to a customer reporting that a workstation keeps losing its network connection. The user explains that it occurs randomly and it happens several times throughout the day. Which of the following troubleshooting methods should the technician perform FIRST? A. Test the theory
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B. Establish a plan of action C. Gather information D. Question the obvious - Correct Answer ✅Gather information A user reports slow computer performance. A technician troubleshooting the issue uses a performance monitoring tool and receives the following results: Avg % Processor Time =10% Avg Pages/Second = 0 Avg Disk Queue Length = 3 Based on the results, which of the following is causing a bottleneck? A. Hard drive B. Memory C. Processor D. NIC - Correct Answer ✅Hard drive A technician has responded to a security issue with an employee's computer. Which of the following basic forensic steps should be taken NEXT? A. Secure the area B. Initiate Data collection C. Create the forensics report D. Verify the chain of custody - Correct Answer ✅Secure the area A network technician has downloaded the latest vendor switch O/S. which includes new features and enhancements. Which of the following should the technician perform FIRST when updating the switches? A. Backup the current configuration for each switch B. Install during non-business hours to test the system
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Ann, an employee, has properly connected her personal wireless router to a network jack in her office. The router is unable to get a DHCP address though her corporate laptop can get a DHCP address when connected to the same jack. Ann checks the router configuration to ensure it is configured to obtain a DCHP address. Which of the following is the MOST likely reason why the router is not receiving a DHCP address? A. The administrator has enabled DHCP snooping on the network B. The administrator is blocking DHCP requests that originate from access points C. The administrator is blocking the wireless router's MAC address using MAC filtering D. The Administrator has implemented a feature that only allows white-listed MAC addresses - Correct Answer ✅The Administrator has implemented a feature that only allows white-listed MAC addresses A technician is concerned about security and is asked to set up a network management protocol. Which of the following is the best option? A. SLIP B. SNMPv C. TKIP D. SNMPv2 - Correct Answer ✅SNMPv A network technician wants to allow HTTP traffic through a stateless firewall. The company uses the 192.168.0.0/24 network. Which of the following ACL should the technician configure? (Select TWO) A. PERMIT SRCIP 192.168.0.0/24 SPORT:80 DSTIP:192.168.0.0/24 DPORT: B. PERMIT SRCIP 192.168.0.0/24 SPORT:ANY DSTIP:ANY DPORT 80 C. PERMIT SRCIP:ANY SPORT:80 DSTIP:192.168.0.0/24 DPORT ANY
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D. PERMIT SRCIP: ANY SPORT:80 DSTIP:192.168.0.0/24 DPORT:
E. PERMIT SRCIP:192.168.0.0/24 SPORT:80 DSTIP:ANY DPORT:80 - Correct Answer ✅PERMIT SRCIP 192.168.0.0/24 SPORT:ANY DSTIP:ANY DPORT 80 A network technician has been asked to make the connections necessary to add video transported via fiber optics to the LAN within a building. Which of the following is the MOST common connector that will be used on the switch to connect the media converter? A. FDDI B. Fiber coupler C. MT-RJ D. ST - Correct Answer ✅ST Exploiting a weakness in a user's wireless headset to compromise the mobile device is known as which of the following? A. Multiplexing B. Zero-day attack C. Smurfing D. Bluejacking - Correct Answer ✅Bluejacking A malicious student is blocking mobile devices from connecting to the internet when other students are in the classroom. Which of the following is the malicious student implementing? A. Removing the AP from the classroom B. ACL C. Jamming D. Firewall E. IPS - Correct Answer ✅Jamming
