N+ 250-300

A. GSM

QUESTION 278 A network engineer at a multinational company is asked to purchase mobile phones for senior executives who often travel internationally. The executives want their phones to work with wireless carriers in multiple countries when they travel. Which of the following cellular standards should these new phones support? A. GSM B. TDM C. CDMA D. PSTN

A. Multilayer switch B. Firewall

QUESTION 280 Which of the following should a network administrator use to configure Layer 3 routes? (Choose two.) A. Multilayer switch B. Firewall C. Hub D. Bridge E. Modem F. Media converter

A. Out-of-band management

QUESTION 291 A technician has a remote site that often has congestion issues. When this happens, the remote router cannot be managed using SSH because the session drops. Which of the following is a possible solution to the issue? A. Out-of-band management B. HTTPS management URL C. Client-to-site VPN D. Router ACL

D. PAN

QUESTION 260 A junior technician is setting up a voice control device so the Chief Executive Officer (CEO) will be able to control various things in the office. Of which of the following types of IoT technologies is this an example? A. LAN B. WAN C. SAN D. PAN

C. Tone generator

QUESTION 254 A technician is connecting a PC to a switchport. At the wiring closet, the technician is unable to identify which cable goes from patch panel A connected to the switch to patch panel B connected to the PC. Which of the following tools should the technician use to resolve the issue? A. Cable tester B. Multimeter C. Tone generator D. OTDR

A. EAP-PEAP

QUESTION 255 A technician wants to deploy a network that will require wireless client devices to prompt for a username and password before granting access to the wireless network. Which of the following must be configured to implement this solution? A. EAP-PEAP B. CCMP-AES C. WPA2-PSK D. TKIP-RC4

A. TFTP D. SNMP

QUESTION 256 Which of the following protocols are classified as connectionless? (Choose two.) A. TFTP B. FTP C. HTTP D. SNMP E. SSH F. IMAP

B. Replace the switches with ones that utilize port bonding and use the spare cables.

QUESTION 257 Users in a school lab are reporting slow connections to the servers and the Internet. Other users in the school have no issues. The lab has 25 computers and is connected with a single 1Gb Ethernet connection on Cat 5e wiring to an unmanaged switch. There are also three spare Cat 5e cable runs, which are not in use. The school wants to double the connection speed between the lab and the servers without running new cables. Which of the following would be the BEST solution? A. Plug in a second spare cable at each end to double the speed. B. Replace the switches with ones that utilize port bonding and use the spare cables. C. Replace the switches with 10Gb switches and utilize the existing cabling. D. Plug in a second cable and set one port to TX and one port to RX.

C. File hashing

QUESTION 258 A technician is downloading an ISO from a vendor's website. To ensure the integrity of the download, which of the following should be verified? A. File size B. Vendor URL C. File hashing D. Encryption

A. Certificate

QUESTION 259 An administrator wants to implement an additional authentication factor to the remote SSH servers. Which of the following accomplishes this goal with the principle of "something you have"? A. Certificate B. Pattern C. Password D. Fingerprint

C. APIPA

QUESTION 261 Users on a LAN segment are reporting a loss of connectivity to network services. The client PCs have been assigned with 169.254.X.X IP addresses. Which of the following IP address schemas is being utilized? A. Private IP B. Static IP C. APIPA D. Loopback

A. Logical diagram

QUESTION 262 A network administrator has created a new VLAN for the server and clients within the accounting department and wants to outline how it integrates with the existing network. Which of the following should the administrator create? A. Logical diagram B. Physical diagram C. Rack diagram D. Configuration diagram

D. High packet drops

QUESTION 263 Which of the following would indicate that a circuit speed should be increased? A. Low latency B. Low bandwidth consumption C. High number of SIEM alerts D. High packet drops

B. Duplex mismatch

QUESTION 264 A technician has installed an older IP camera as a temporary replacement for a recently failed newer one. The technician notices that when the camera's video stream is off, the ping roundtrip time between the camera and the network DVR is consistently less than 1ms without dropped packets. When the camera video stream is turned on, the ping roundtrip time increases dramatically, and network communication is slow and inconsistent. Which of the following is MOST likely the issue in this scenario? A. VLAN mismatch B. Duplex mismatch C. Cat 6 RX/TX reversed D. Damaged cable

A. Interference

QUESTION 265 Wireless users have been experiencing connectivity problems. Investigation shows neighboring wireless appliances, which are not connected to the network, have been on the same 5GHz frequency to communicate. Which of the following wireless performance problem concepts defines this issue? A. Interference B. Distance limitation C. Signal-to-noise ratio D. Absorption

C. Detecting malicious activity

QUESTION 266 Which of the following BEST explains the purpose of signature management as a mitigation technique? A. Hardening devices B. Segmenting the network C. Detecting malicious activity D. Restricting user credentials

B. DMZ

QUESTION 267 A network technician installs a web server on the firewall. Which of the following methods should the technician implement to allow access to outside users without giving access to the inside network? A. VLAN B. DMZ C. SNMP D. NTP

B. NGFW

QUESTION 268 A Chief Information Officer (CIO) tasks the network engineer with protecting the network from outside attacks. Placing which of the following devices on the network perimeter would provide the MOST security for the system? A. Firewall B. NGFW C. Content filter D. IDS/IPS

C. Perform a site survey

QUESTION 269 Management has requested that a wireless solution be installed at a new office. Which of the following is the FIRST thing the network technician should do? A. Order equipment B. Create network diagrams C. Perform a site survey D. Create an SSID.

A. The new DHCP server's IP address was not added to the router's IP helper list.

QUESTION 270 A technician has deployed an additional DHCP server for redundancy. Clients in certain subnets are not receiving DHCP leases from the new DHCP server. Which of the following is the MOST likely cause? A. The new DHCP server's IP address was not added to the router's IP helper list. B. The new DHCP server is not receiving the requests from the clients. C. The ARP cache of the new DHCP server needs to be updated. D. The ARP table on the router needs to be cleared.

C. 255.255.240.0

QUESTION 272 A technician is configuring a new server with an IP address of 10.35.113.47 on the 10.35.112.0 subnet to allow for the maximum number of hosts. When configuring network settings, which of the following is the correct subnet mask? A. 10.35.112.0/30 B. 10.35.112.0/24 C. 255.255.240.0 D. 255.255.248.0 E. 255.255.255.0

A. All ports should be configured for full duplex. C. The connections are using Cat 5 cable.

QUESTION 273 Ann, a customer, recently upgraded her SOHO Internet to gigabit fiber from cable. She was previously getting speeds around 75Mbps down and 25Mbps up. After the upgrade, Ann runs a speed test on her desktop and gets results of 1000Mbps down and 100Mbps up. A technician connects directly to the router and sees the correct 1000Mbps speeds. Which of the following is MOST likely the cause? (Choose two.) A. All ports should be configured for full duplex. B. There is a 10/100 switch on the network. C. The connections are using Cat 5 cable. D. The connections are using Cat 6 cable. E. There is a transceiver mismatch at the fiber termination point. F. Signal attenuation on the new fiber has reached the upper limits

D. Duplicate the problem, if possible.

QUESTION 274 A user reports intermittent performance issues on a segment of the network. According to the troubleshooting methodology, which of the following steps should the technician do NEXT after collecting initial information from the customer? A. Document findings, actions, and outcomes. B. Establish a theory of probable cause. C. Establish a plan of action to resolve the problem. D. Duplicate the problem, if possible.

D. TCP

QUESTION 275 Which of the following protocols is associated with a three-way handshake? A. UDP B. ICMP C. GRE D. TCP

B. NGFW

QUESTION 276 Which of the following would a company place at the edge of its network if it wants to view and control which Internet applications are being used? A. VPN concentrator B. NGFW C. IDS/IPS D. Proxy server

C. Multimode

QUESTION 277 A technician wants to physically connect two office buildings' networks. The office buildings are located 600ft (183m) apart. Which of the following cable types is the BEST choice? A. Cat 5e B. Cat 6a C. Multimode D. Coaxial

A. Logical diagram

QUESTION 281 While logged into a financial application, a user gets errors when trying to write to the database. The network administrator is not familiar with the application and how it communicates with the database. Which of the following documentation types should the network administrator use to troubleshoot the data flow? A. Logical diagram B. Physical diagram C. Network baseline D. Change management log

D. Incorrect antenna type

QUESTION 282 Joe, a network engineer, is attempting to install wireless in a large work area. He installs the access point in the middle of the work space. When testing, he notices a -60dB reading on one side of the room and a -92dB reading on the other side. Which of the following is MOST likely the issue? A. External interference B. Distance limitations C. Channel overlap D. Incorrect antenna type

C. EUI-64

QUESTION 283 A network technician wants to address PCs on a subnet with IPv6 in addition to IPv4. The subnet currently uses a DHCP server that only supports IPv4. Which of the following should the technician use to assign IPv6 addresses automatically without DHCP? A. APIPA B. MAC reservations C. EUI-64 D. IPv4 to IPv6 tunnel

A. IPSec

QUESTION 284 A technician is establishing connectivity through a VPN for remote server access. Which of the following protocols should be utilized to configure this VPN connection securely? A. IPSec B. IGRP C. L2TP D. PPTP

B. Business continuity

QUESTION 285 A network technician receives a request for a disaster recovery solution. Management has requested no downtime in the event of a disaster. Which of the following disaster recovery solutions is the appropriate choice? A. Hot site B. Business continuity C. File backups D. Virtual snapshot

C. Hash comparison

QUESTION 286 A network technician receives a new firmware update for a network device. The technician wants to ensure the file has not been tampered with. Which of the following techniques should the technician use to ensure the integrity of the file? A. Cyclic redundancy check B. System integrity check C. Hash comparison D. Root guard

A. RADIUS

QUESTION 287 An AP is configured to authenticate clients by using their Active Directory username and password. The AP uses UDP to connect to the authentication service, which then queries Active Directory. Which of the following authentication services is being used by the AP in this scenario? A. RADIUS B. TACACS+ C. LDAP D. Kerberos

C. Jumbo frames

QUESTION 288 Which of the following should be configured on the network to achieve performance for the FCoE storage traffic? A. PoE B. DHCP snooping C. Jumbo frames D. Virtual IP

C. 192.1.0.124/30

QUESTION 289 A network administrator wants to narrow the scope of a subnet to two usable IP addresses within a class C network. Which of the following is the correct CIDR notation? A. 10.10.50.0/30 B. 172.16.20.0/30 C. 192.1.0.124/30 D. 192.168.0.192/24 E. 192.170.10.0/24

A. New servers are being provisioned in the cloud.

QUESTION 290 A network technician notices that most of the nodes in the 10.10.74.0/23 address space return either 1 or 2 node hop after running a tracert; however, some of the new servers are showing a hop count larger than 10. Which of the following is the MOST likely reason for this? A. New servers are being provisioned in the cloud. B. Those servers have host-based firewalls. C. Some of the servers are configured to use different gateways. D. Part of the subnet is configured to use different VLANs.

A. DHCP scope

QUESTION 292 A technician has installed multiple new PC clients and is connecting them to the network. Only one client is receiving IP addressing information. Which of the following should the technician verify as the NEXT troubleshooting step? A. DHCP scope B. DHCP lease C. Default gateway D. DNS zone

C. MPLS

QUESTION 293 Which of the following WAN technologies swaps the header on a packet when internally switching from one provider router to another? A. ATM B. Frame relay C. MPLS D. PPP

B. GSM

QUESTION 294 A network administrator is purchasing a mobile phone for a manager who is traveling internationally. The phone needs to be able to make and receive calls in multiple countries outside of North America. Which of the following cellular technologies should the administrator look for in the phone? A. CDMA B. GSM C. TDMA D. CSMA

C. Download each switch's current configuration before the upgrade.

QUESTION 295 A network administrator is downloading a large patch that will be uploaded to several enterprise switches simultaneously during the day's upgrade cycle. Which of the following should the administrator do to help ensure the upgrade process will be less likely to cause problems with the switches? A. Confirm the patch's MD5 hash prior to the upgrade. B. Schedule the switches to reboot after an appropriate amount of time. C. Download each switch's current configuration before the upgrade. D. Utilize FTP rather than TFTP to upload the patch.

A. VLAN

QUESTION 296 A network technician is segmenting network traffic into various broadcast domains. Which of the following should the network technician utilize? A. VLAN B. STP C. ACL D. BPDU

A. DHCP scope exhaustion

QUESTION 297 After rebooting a PC, a user is no longer able to connect to the corporate network. As a test, the technician plugs a different laptop into the same network jack and receives an IP address of 169.254.112.137. Which of the following is MOST likely causing the issue? A. DHCP scope exhaustion B. Improper DNS setting C. Incorrect ACL setting D. Port-security violation

C. Split tunneling

QUESTION 298 A network administrator is concerned about clients being able to access the local Internet while connected to the corporate VPN. Which of the following should be disabled on the client to prevent this? A. TLS B. Remote file access C. Split tunneling D. HTTPS

B. WPA2/WPA

QUESTION 299 A network technician travels to a remote office to set up a new SOHO for the company. Wireless networking should be used at the remote office. The network technician sets up all the related wireless network equipment, and the last step is to connect the users' devices to the company network. To complete this step, which of the following should be used to secure the remote network location? A. Host-based firewalls B. WPA2/WPA C. Open access D. Port filtering

C. 128 bits

QUESTION 300 The length of an IPv6 address is: A. 32 bits B. 64 bits C. 128 bits D. 256 bits

C. Review the logs in the VPN client to check for any informational messages

QUESTION 301 A network technician is troubleshooting a problem with a user's client-to-site VPN connection. The user is unable to establish a connection to the server, but the error message that appears on screen does not contain useful information. Which of the following should the technician do NEXT to troubleshoot the issue? A. Reconfigure the user's VPN connection in the router to fix profile corruption. B. Inform the user that provisioning sometimes fails and the connection needs to be attempted again. C. Review the logs in the VPN client to check for any informational messages. D. Verify the system has the latest OS patches installed.

D. Modem

QUESTION 302 Management requires remote access to network devices when the ISP is down. Which of the following devices would provide the BEST solution? A. Router B. Firewall C. Bridge D. Modem

D. Perform a tracert command to locate where the packet is dropped.

QUESTION 303 A network technician installed a new host on the network. The host is not connecting to the company's cloud servers. The technician attempts to ping a server using the IP address with no success. Checking the IP address using ipconfing displays: Which of the following should the technician perform NEXT to determine where the issue is located? A. Modify the default gateway address and ping the server to test connectivity. B. Change the DNS servers to be on the same subnet as the host. C. Modify the router's ACL to allow port 80 to exit the network. D. Perform a tracert command to locate where the packet is dropped.

C. TFTP

QUESTION 304 A network technician is performing a firmware upgrade on a switch. The firmware needs to be downloaded to the device. Which of the following methods should the technician use to retrieve the updated firmware? A. RDP B. SSH C. TFTP D. Telnet

A. tracert

QUESTION 305 A network technician is assisting a user who is experiencing connectivity problems with the VPN. The technician has confirmed the VPN is functioning and other users at the site cannot access the Internet. Which of the following commands would MOST likely be used to further troubleshoot? A. tracert B. netstat C. arp D. dig