During a recent security assessment, an assessor attempts to obtain user credentials by pretending to be from the organization's help desk.Which of the following attacks is the assessor using?
Answer(s): A
Social engineering involves manipulating people - such as posing as help desk staff - to trick them into revealing confidential information like credentials.
Which of the following dynamic routing protocols is used on the internet?
Answer(s): B
BGP is the exterior gateway protocol designed for exchanging routing information between autonomous systems and is the standard for Internet-wide routing.
A technician is implementing a new SD-VVAN device with a default configuration. The technician receives a URL via email and connects the new device to the internet to complete the installation.Which of the following is this an example of?
The device uses zero-touch provisioning by booting with its default configuration and automatically retrieving its setup from the provided URL without manual intervention.
SIMULATIONA network technician needs to resolve some issues with a customer's SOHO network. The customer reports that some of the PCs are not connecting to the network, while others appear to be working as intended.INSTRUCTIONSTroubleshoot all the network components.Review the cable test results first, then diagnose by clicking on the appropriate PC and server. Type help in each terminal to view a list of available commands.Identify any components with a problem and recommend a solution to correct each problem.If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Cable Test (Patch Cable between Switch 1 Gi0/5 and Switch 2):Problem discovered: Connector on backwardSolution: Replace cableServer 1:Problem discovered: Bad gateway addressSolution: Change gateway addressPC2:Problem discovered: Wrong VLANSolution: Change VLAN assignmentPC3:Problem discovered: Bad subnetSolution: Change the subnet maskPC1, PC4, PC5, PC6:No problem found
Which of the following would allow a network administrator to remotely access a secure subnet from a shared, secure workstation?
Answer(s): C
A jump host (bastion) provides a controlled intermediary that administrators use to securely access a protected subnet from a shared workstation.
Which of the following kinds of targeted attacks uses multiple computers or bots to request the same resource repeatedly?
A distributed denial-of-service (DDoS) attack leverages multiple systems to bombard a target resource with repeated requests, overwhelming it and causing service disruption.
Which of the following is the most cost-effective way to safely expand outlet capacity in an IDF?
A rack-mount PDU safely provides additional outlets for IDF equipment with proper load balancing and circuit protection, making it the most cost-effective solution.
A network administrator is creating a subnet that will include 45 separate hosts on a small private network within a large network architecture.Which of the following options is the most efficient use of network addresses when assigning this network?
A /26 subnet offers 62 usable addresses - enough for 45 hosts - with the least address waste compared to the larger /25.
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