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Which of the following tools should an engineer use to detect the exact break point of the fiber link?
A fiber link connecting two campus networks is broken. Which of the following tools should an engineer use to detect the exact break point of the fiber link?A . OTDRB . Tone generatorC . Fusion splicerD . Cable testerE . PoE injectorView AnswerAnswer: A Explanation: To detect the exact break...
Which of the following would address this issue by allowing the use of the original cable?
A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a crossover connection that is used to connect switches. Which of the following would address this issue by allowing the use of the original cable?A . CSMA/CDB...
Which of the following types of devices can provide content filtering and threat protection, and manage multiple IPSec site-to-site connections?
Which of the following types of devices can provide content filtering and threat protection, and manage multiple IPSec site-to-site connections?A . Layer 3 switchB . VPN headendC . Next-generation firewallD . Proxy serverE . Intrusion preventionView AnswerAnswer: C Explanation: Next-generation firewalls can provide content filtering and threat protection, and can...
Which of the following is the MOST likely cause of the issue?
A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection. The chain of connections is in the following order: Device LC/LC patch cable Patch panel Cross-connect fiber cable Patch panel LC/LC...
You are tasked with verifying the following requirements are met in order to ensure network security.
You are tasked with verifying the following requirements are met in order to ensure network security. Requirements: Datacenter Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a dedicated server to resolve IP addresses and hostnames correctly and handle port 53 traffic...
Which of the following should the engineer enable to prevent network stability issues?
An engineer is configuring redundant network links between switches. Which of the following should the engineer enable to prevent network stability issues?A . 802.1QB . STPC . Flow controlD . CSMA/CDView AnswerAnswer: B Explanation: Spanning Tree Protocol (STP) should be enabled when configuring redundant network links between switches. STP ensures...
Which of the following DNS records works as an alias to another record?
Which of the following DNS records works as an alias to another record?A . AAAAB . CNAMEC . MXD . SOAView AnswerAnswer: B Explanation: The DNS record that works as an alias to another record is called CNAME (Canonical Name). CNAME records are used to create an alias for a...
At which of the following OSI model layers would a technician find an IP header?
At which of the following OSI model layers would a technician find an IP header?A . Layer 1B . Layer 2C . Layer 3D . Layer 4View AnswerAnswer: C Explanation: An IP header can be found at the third layer of the OSI model, also known as the network layer....
Which of the following service models would MOST likely be used to replace on-premises servers with a cloud solution?
Which of the following service models would MOST likely be used to replace on-premises servers with a cloud solution?A . PaaSB . IaaSC . SaaSD . Disaster recovery as a Service (DRaaS)View AnswerAnswer: B Explanation: IaaS stands for Infrastructure as a Service, which is a cloud service model that provides...
Which of the following is the LARGEST MTU for a standard Ethernet frame?
Which of the following is the LARGEST MTU for a standard Ethernet frame?A . 1452B . 1492C . 1500D . 2304View AnswerAnswer: C Explanation: The maximum transmission unit (MTU) is the largest size of a data packet that can be transmitted over a network. A standard Ethernet frame supports an...
