Final Exam _
When troubleshooting network problems, where would a network administrator find the configuration information, such as the computer names and the IP addresses that are used? -------------------------------------------------------- A) physical topology diagram B) logical topology diagram C) DHCP server D) DNS server
B
What is required for a network administrator to perform out-of-band management tasks on a Cisco device? --------------------------------------------------------------------------- A) an active network connection available to the device B) SSH enabled and functional on the device C) a computer directly connected to the console port of the device D) a valid IP address configured on VLAN 1
C
What is the default subnet mask for an IP address of 198.133.219.4? -------------------------------------------------------- A) 255.255.255.255 B) 255.255.0.0 C) 255.255.255.0 D) 255.0.0.0
C
Which utility can be used to view a list of open TCP connections on Linux or Windows systems? -------------------------------------------------------- A) Tracert B) Ping C) Netstat D) Ipconfig
C
When a Cisco device is powered on, the _______ begins to test the device and determine if it is functioning properly.
POST
When is a straight-through cable used in a network? -------------------------------------------------------- A) when connecting a host to a router B) when connecting a host to another host C) when connecting a router to another router D) when connecting a host to a switch
A
Which protocol operates at the transport layer of the TCP/IP model and ensures reliable delivery of IP packets? -------------------------------------------------------- A) TCP B) HTTP C) UDP D) IP
A
What are three characteristics of multicast transmission? (Choose three.) -------------------------------------------------------- A) A single packet can be sent to a group of hosts. B) Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255. C) Multicast transmission can be used by routers to exchange routing information. D) Computers use multicast transmission to request IPv4 addresses. E) Multicast messages map lower layer addresses to upper layer addresses. F) The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
A, B, C
A client device on an Ethernet segment needs an IP address in order to communicate on the network. A DHCP server with IP address 192.168.1.1 has been configured and enabled on the network. How will a client device obtain a usable IP address for this network? -------------------------------------------------------- A) Send a DHCPDISCOVER message to physical address FF-FF-FF-FF-FF-FF. B) Use a statically configured IP address from the pool of IP addresses that is offered by the DHCP server. C) Send a DHCPACK packet to the default gateway address. D) Send a DHCPREQUEST packet to IP address 255.255.255.255.
B
Which type of network component can be used to share an attached printer to the network? -------------------------------------------------------- A) personal computer B) access point C) network media D) peripheral
B
What is a role of an intermediary device on a network? -------------------------------------------------------- A) functions as the primary source of information for end devices B) runs applications that support collaboration for business C) forms the interface between the human network and the underlying communication network D) determines the path and directs data along the way to its final destination
D
Which malicious program appears as a legitimate program to deceive the victim, but is in fact an attack tool that can contain malicious code? -------------------------------------------------------- A) worm B) spyware C) virus D) Trojan horse
D
Which type of network is covered by the IEEE 802.11 standards? -------------------------------------------------------- A) Ethernet B) Internet C) WAN D) Wi-Fi
D