A company routes Cat 5e UTP cabling through a part of its manufacturing floor that generates a great deal of Electromagnetic Interference (EMI). The cables are routed loosely through the ceiling, about 3 meters above the equipment. Computers connected to the cabling experience communication errors any time the equipment is running. The company needs a reliable, cost-effective solution. Management will not authorize converting to fiber optic cabling. What should the company do?, Reroute the cable through existing power conduit., Reroute the cable along the floor., Replace the Cat 5e UTP cable with Cat 5e STP cable., Replace the Cat 5e UTP cable with Cat 6 UTP cable., A network administrator wants to monitor the impact of logging to a router’s console. What should the administrator monitor FIRST?, Memory, Jitter, Giants, CPU usage, What is the PRIMARY use of an intermediate distribution frame (IDF) in a network infrastructure?, To route traffic between different VLAN segments, To perform Network Address Translation (NAT) for devices, To facilitate connectivity for end-users and devices, To protect the network from external threats, A service technician tests and confirms a theory for the probable cause of a problem. What should the technician do next?, Implement a solution., Apply preventive measures., Escalate the problem., Create a plan of action., A switch is unable to learn the MAC address for VMs on a directly connect host. What should a network technician do to address this issue?, Create a static route that points to each VM., Define a default route for the VM host., Create static ARP entries on the switch., Create a PTR record for each VM., A user reports their laptop cannot connect to the network. Which action is a network technician MOST likely to perform after establishing a theory of probable cause?, Determine if the user recently made changes., Search a knowledge base for related issues., Test connectivity to a remote server with ping., Create an image of the laptop’s hard drive., What are two main differences between a hub and a switch? (Select TWO), Hubs unicast all packets, while switches broadcast all messages., Hubs do not understand MAC addresses, while switches maintain a CAM address table., Hubs can be managed using HTTP, while switches offer a command-line interface only., Hubs are limited to four ports, while switches offer an unlimited number of ports., Hubs work at Layer 1, while switches work at Layer 2., A network engineer needs to be able to identify anomalies in LAN performance and availability. What should the engineer do FIRST?, Configure audit logs., Create network baselines., Verify the network SLA., Deploy SNMP agents., Which is the BEST option for increasing availability of a network’s gateway router group?, NTP, RADIUS, STP, FHRP, A company wants to connect devices so that there are many redundant interconnections. Which topology should the company use?, Ad-hoc, Bus, Mesh, Star, A company wants to support multiple client computers running an application installed on a computer that runs Windows Server 2016. The clients should be able to take advantage of the memory and processor resources on the server. Each client will have a unique data set. Which technology should the company use?, VNC, RDP, VPN, SSH, An organization upgrades the network cabling in some of its buildings from copper to fiber optic. However, a network administrator is concerned that some of the cabling may be faulty. What should the administrator monitor FIRST to determine if their concern is valid?, An increased number of CRC errors, An increased number of failed DNS queries, An increase in improperly routed packets, An increase in MTU mismatch errors, Which of the following is used to create point-to-multipoint tunnels by encapsulating Layer 2 traffic for transmission over a Layer 3 underlay network?, Virtual extensible LAN (VXLAN), Quality of Service (QoS), Generic Routing Encapsulation (GRE), Switch Virtual Interface (SVI), In-house technicians plan to emulate a penetration attempt. They want to see if they can learn what services are running on network servers. What should they use?, Vulnerability scanning, Port scanning, Traffic analysis, Packet analysis, An organization deploys IoT sensors at a remote location that is not reachable using traditional cabled internet services. Which technology should the organization deploy to provide the highest bandwidth available for this location?, DSL, 4G, Satellite, 5G, Which type of cable uses an 8-10 micron core?, Multimode, Single-mode, RG-6, Cat 8, A company wants to implement an authentication and authorization solution for network devices that also directly supports device management. What should the company use?, Kerberos, RADIUS, TACACS+, SNMP, The network support team needs to determine whether data is being encrypted when it is sent over the network. Which process should the team use?, Vulnerability scanning, Log review, Port scanning, Packet analysis, A client is configured with an IP address, 192.168.1.2/16. Which address will the client use for subnet broadcasts?, 192.168.255.255, 192.168.1.255, 192.168.1.0, 192.168.0.0, A network administrator needs to configure a switch port that will connect to an IP phone which also has a computer connected through it. Which TWO VLAN configurations should be implemented on the switch port?, Voice VLAN and Access VLAN, Native VLAN and Access VLAN, Voice VLAN and Trunk VLAN, Native VLAN and Voice VLAN, A network administrator needs to ensure redundancy for the default gateway in a network segment. Which protocol should be implemented to provide automatic failover of the default gateway?, NAT, FHRP, OSPF, BGP, An organization wants to implement secure wireless authentication for their corporate network, supporting multiple users with unique credentials that can be centrally managed. Which authentication method should they implement?, WPA2-PSK, WPA3-Personal, WPA2-Enterprise, Open Authentication with MAC filtering, A network administrator needs to configure a switch port that connects to a regular workstation. Which type of VLAN port configuration requires the least amount of overhead and processing for the switch?, Trunk port with native VLAN, Access port, Dynamic trunk, Voice VLAN port, A company has a single public IP address but needs to allow multiple internal devices to access the internet. Which type of address translation should be implemented?, Static NAT, PAT (Port Address Translation), NAT64, Dynamic NAT, An organization is running OSPF as their internal routing protocol. Which factor would OSPF use to determine the best path to a destination?, Prefix length, Metric (cost), Hop count, Administrative distance, An organization needs to implement a wireless network in their office space. They are concerned about interference from neighboring networks. Which frequency band and channel planning would be MOST effective in minimizing interference in a crowded urban environment?, 6 GHz with overlapping channels, 2.4 GHz with any available channel, 5 GHz with automatic channel selection, 2.4 GHz using channels 1, 6, and 11 only, A company needs to have a reliable record of everyone who enters or leaves a locked secure area of the building. What should the company use?, Biometric lock, Sign-in log, Video surveillance, Motion detector, A company opens new warehouse space on its company campus. Network wiring for the warehouse is routed through a 110 punch block and patch panel. Wiring out to devices uses Cat 5e UTP cable. Several devices in the warehouse experience communication problems. After extensive testing, the problem is determined to be crosstalk. The company needs to correct the problem. Infrastructure changes should be kept to a minimum. What should the company do?, Replace all cabling with fiber optic cable., Replace the 110 punchdown block with a 66 punchdown block., Replace the failing cables with Cat 6 cables., Replace the failing cables with Cat 5e STP cables., Threat of flooding causes a company to move large vertical filing cabinets from the basement to the main office area. Users start complaining of problems connecting to the WLAN and delayed response from the network. Network analysis shows a high level of corrupted packets., Interference, Attenuation, Absorption, Reflection, A technician is troubleshooting a faulty single mode connection between two network switches. The technician has determined that the issue is with the cabling. What should the technician do to address this issue?, Ensure that the cables support transmissions at the 850nm wavelength., Ensure that the cables support transmissions at the 1300nm wavelength., Ensure that the cable classification is OM3 or OM4., Ensure that the cable core diameter is 9 microns., PC1 and PC2 are connected to a managed switch. PC1 uses port F0/5, which is in VLAN 7, and PC2 uses port F0/11, which is in VLAN 12. What is the minimum required configuration by a technician on PC1 and PC2 to exchange data?, IP address, subnet mask, and default gateway, IP address and subnet mask, IP address, subnet mask, default gateway, and MAC address, IP address and default gateway, What is the PRIMARY benefit of using power distribution units (PDUs) in a datacenter?, Remote switching for equipment reboots., Power conditioning during brownouts., Continuous power in the event of an outage., Protection against over voltages., Which device should a company use to configure a new area within OSPF?, IPS, Router, IDS, L2 Switch, A company is wiring a new office space to support 1000BaseT Ethernet. The network design calls for UTP cable. The majority of the cable will be routed through a suspended ceiling. Which cable should the company use?, Cat 5e PVC, Cat 5e plenum, Cat 7 plenum, Cat 7 PVC, A network administrator would change the ID on a switch’s native VLAN to mitigate what type of attack?, VLAN hopping, ARP attack, DDoS, Rogue trunking, Which two are benefits of mesh-connected distribution routers? (Select TWO.), Simplified routing, Load balancing, NIC teaming, Bridging, Multipathing, A company wants to connect a remote office using a satellite internet service. What should be the main concern for this deployment?, Latency, Attenuation, Availability of the service, Compatibility, A company’s WLAN uses AP1 with SSID AP1 on channel 1 and WPA2-PSK. A second AP, AP2, is deployed with SSID AP2 on channel 6, WPA2-PSK, and a unique IP address range. The remaining settings are left at defaults. Technical Services finds that someone keeps accessing AP2 and changing its configuration. What should be done to prevent this?, Reconfigure both APs to use WPA2-Enterprise.Change admin password, Disable SSID broadcast on both APs.Use channel 1, Change the default administrator’s password on AP2.Disable SSID broadcast, Change AP2 to use channel 1.Use WPA2-Enterprise, A company’s WLAN is configured with one access point (AP) named AP1. AP1 has an SSID of AP1, is configured to use channel 1, and is configured for WPA2-PSK. The company deploys a second AP named AP2 and with an SSID of AP2. The AP is configured to use channel 6 and is configured for WPA2-PSK. It is also configured with a unique IP address range. The remaining configuration settings are left at the defaults. Technical Services discovers that someone has been hacking into AP2 and changing configuration settings. After the settings are corrected, they are changed again in a few days., Reconfigure both APs to use WPA2-Enterprise., Disable SSID broadcast on both APs., Change the default administrator’s password on AP2., Change AP2 to use channel 1., Which of the following is the primary benefit of moving a datacenter to the cloud?, Increased elasticity in response to seasonal workload, Reduced reliance on redundant Internet connections, Reduced costs associated with patch management, Increased security of stored and transmitted data, An organization wants to maximize performance by allowing simultaneous communication streams between clients and WAPs. Which should it deploy?, MU-MIMO, FHRP, GSM, LACP, A network administrator has captured the following messages on the firewall: 10.10.10.10:64391 → 188.12.1.1:80; 188.12.1.1:80 → 10.10.10.10:64391; 10.10.10.10:64392 → 83.122.1.1:80. Which application has generated that traffic?, VoIP softphone, FTP client, DNS agent, Web browser, Which network service is responsible for assigning IP addresses out to systems on the network when they boot up?, Server, WINS, DNS, DHCP, Bob is having trouble pinging addresses by their FQDN, but he seems to be able to ping them by their IP address. What should you do to help Bob?, Make sure that the system Bob is trying to connect to is in the LMHOSTS file, Verify Bob’s DNS setting in TCP/IP, Make sure that the system Bob is trying to connect to is on the network, Verify Bob’s WINS setting in TCP/IP, What is the default subnet mask for 171.103.2.30?, 255.255.255.255, 255.0.0.0, 255.255.0.0, 255.255.255.0, How many bits in an IP address?, 96 bits, 48 bits, 32 bits, 8 bits, Скільки хостів підтримує мережа класу A?, 65,534, 16,777,214, 254, 1,024, Скільки хостів підтримує мережа класу B?, 65,534, 16,777,214, 254, 128, Скільки хостів підтримує мережа класу C?, 16,777,214, 65,534, 512, 254, Для чого використовується клас D?, Loopback, Звичайні хости, Multicast, Broadcast, Який клас не використовується для звичайних host addresses?, Клас B, Клас D, Клас A, Клас C, У якому класі доступно найбільше хостів?, Клас A, Клас D, Клас B, Клас C, У якому класі доступно 65,534 хости?, Клас C, Клас A, Клас B, Клас D, У якому класі доступно 254 хости?, Клас B, Клас A, Клас D, Клас C, Який клас підходить для multicast?, Клас C, Клас B, Клас A, Клас D, Який клас має менше хостів, ніж клас B?, Усі рівні, Клас C, Клас D, Клас A, Which virtual network element connects multiple VMs together?, Load balancer, vSwitch, Hypervisor, NFV, When you tether a cell phone to your laptops using wireless, what is this an example of?, PAN, CAN, SAN, MAN, What is the term used to describe the common network used to connect multiple network segments at high speed?, WAN, PAN, Workgroup, Backbone, What is a smart jack as it relates to WAN connectivity?, Load balancer, Router, Demarc, NFV, Which protocol is used with dynamic multipoint VPN deployments?, SDWAN, mGRE, vNIC, MPLS, Which network type is locally owned and managed by an organization and used to connect the organization’s LAN together?, MAN, CAN, WAN, PAN, Which network topology design has a centralized switch connecting all of the devices?, Star topology, Full mesh topology, Partial mesh topology, Hybrid topology, What type of logical connection does MPLS create to connect networks together?, Circuit, East-west, Peer-to-peer, Client-server, Which topology incorporates some redundancy of equipment and connections to provide fault tolerance but is not completely fault‐tolerant?, Mesh, Ring, Bus, Hybrid, Which network architecture allows for access or sharing of resources in a network by the same host?, Hybrid topology, Peer‐to‐peer, Client‐server, LAN, Which is the major advantage of client‐server network architecture?, Distributed security, Flexibility, Centralized management, Equal access, You are setting up a network connection that requires redundancy in the event a switch or single link fails. Which topology should you select?, Ring, Mesh, Star, Bus, Where is the full mesh topology commonly seen in the three‐tier design model?, Routing layer, Access layer, Core layer, Distribution layer, Which network type is locally owned and managed by an organization and used to connect the organization’s LAN together?, WAN, PAN, MAN, CAN

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