If you wanted to deny all Telnet connections to only network 192.168.10.0, which command could you use? access-list 100 deny tcp 192.168.10.0 255.255.255.0 eq telnet access-list 100 deny tcp any 192.168.10.0 0.0.0.255 eq 23 access-list 100 deny 192.168.10.0 0.0.0.255 any eq 23 access-list 100 deny tcp 192.168.10.0 0.255.255.255 eq telnet TRUE ANSWER : ? YOUR ANSWER : ?
You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer. TI PSTN STP Fiber-optic UTP TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true when describing a multicast address? These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap. Packets addressed to a unicast address are delivered to a single interface. Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many. Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model? HDLC IPSec Cable VPN xDSL TRUE ANSWER : ? YOUR ANSWER : ?
If you wanted to deny FTP access from network 200.200.10.0 to network 200.199.11.0 but allow everything else, which of the following command strings is valid? access-list 1 deny ftp 200.200.10.0 200.199.11.0 any any access-list 100 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftp access-list 110 deny 200.200.10.0 to network 200.199.11.0 eq ftpaccess-list 111 permit ip any 0.0.0.0 255.255.255.255 access-list 198 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftpaccess-list 198 permit ip any 0.0.0.0 255.255.255.255 TRUE ANSWER : ? YOUR ANSWER : ?
Communication between computers is almost always series parallel direct None of these parallel serial TRUE ANSWER : ? YOUR ANSWER : ?
FDDI is a star network ring network None of these bus based network mesh network TRUE ANSWER : ? YOUR ANSWER : ?
What operates in the Data Link and the Network layer? Bridge Router None of these Brouter NIC TRUE ANSWER : ? YOUR ANSWER : ?
An example of digital, rather than analog, communication is WATS DDD DDT None of these DDS TRUE ANSWER : ? YOUR ANSWER : ?
RS-449/442-A/423-A is the ratio of the number of data units in error to the total number of data units None of these a check bit appended to an array of binary digits to make the sum of the all the binary digits a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression the resulting expression will not conform to the rules of construction and a set of physical layer standards developed by EIA and intended to replace RS-232- TRUE ANSWER : ? YOUR ANSWER : ?