Which advanced wireless security measure allows a network administrator to keep sensitive data secure as it travels over the air in a wireless network? MAC address filtering encryption authentication traffic…
A student is sending files from a phone to a computer across a network. Which layer of the TCP/IP model is responsible for reassembling these messages as they are received…
A network engineer working at a community building that provides free WiFi is holding an IT conference tomorrow evening. A previous conference with over 100 attendees just ended less than…
What is the difference between the terms bandwidth and throughput? Bandwidth represents the data transfer rate in a local network and throughput represents the data transfer rate over the Internet.…
Which scenario describes a peer-to-peer network? Users access shared files from a file server. A user visits a webpage on the company web site. A user has shared a printer…
What is the first step that a switch performs during the bootup sequence? Low-level CPU initialization begins. POST is initiated. The default IOS image is loaded. The boot loader is…
A medium-sized company uses APs, WLCs, and laptops for employee workstations. An employee reports the inability to connect to the Internet. A technician verifies that other workstations can successfully connect…
What benefit does DHCP provide to a network? DHCP allows users to refer to locations by a name rather than an IP address. Hosts always have the same IP address…
A technician is tasked with connecting a printer directly to the network and making it accessible to all staff in the general vicinity. What type of network cable is most…
A technician uses an application to capture packets on the network. One such capture reveals the password that is used by a person in the classroom to initiate a Telnet…
When designing an IP address scheme, what is a benefit of using DHCP to assign host addresses? A gateway address is not required for hosts on one subnet to communicate…
Which two types of devices provide dynamic IPv4 addressing for internal hosts on a local network? (Choose two.) ISP DHCP server PC-based DHCP client wireless router PC-based DHCP server ISP…
Which three features represent benefits of virtualization? (Choose three.) fewer security requirements less power consumption improved disaster recovery less equipment less device monitoring less employee technical training
What is the purpose of the startup configuration file on a Cisco router? to facilitate the basic operation of the hardware components of a device to contain the configuration commands…
A new employee is attempting to configure a cell phone to connect to the email server of the company. What is the source port number when sending an email from…
What action does a DNS server take if it does not have an entry for a requested URL? The server checks with another DNS server to see if it has…
A technician has been asked to troubleshoot a simple network problem that seems to be caused by software. Which troubleshooting approach should be used? divide and conquer bottom-up top-down substitution
When would the Cisco IOS image held in ROM be used to boot the router? when the full IOS cannot be found during a normal boot process when the running…
Which security function is provided by a firewall? passively monitors network traffic and logs intrusion attacks for security analysis passively monitors network traffic and automatically blocks intrusion attacks aggregates and…
A user is setting up a home wireless network. A global address is to be used in NAT translations for traffic flowing through the wireless router. How is this global…