CCNA4

Which range represents all the IP addresses that are affected when network 10.120.160.0 with a wildcard mask of 0.0.7.255 is used in an ACE? Answer: 10.120.160.0 to 10.120.167.255 What two functions describe uses of an access control list? Answer: -ACLs provide a basic level of security for network access. -ACLs can control which areas a host can access on a network. Which two statements describe the effect of the access control list wildcard mask 0.0.0.15? Answer: ...

serial and parallel ports Answer: A common type of WAN connections is the point-to-point connection. As shown in Figure 1, point-to-point connections are used to connect LANs to service provider WANs, and to connect LAN segments within an enterprise network. A LAN-to-WAN point-to-point connection is also referred to as a serial connection or leased-line connection. This is because the lines are leased from a carrier (usually a telephone company) and are dedicated for use by the compan...

Which range represents all the IP addresses that are affected when network 10.120.160.0 with a wildcard mask of 0.0.7.255 is used in an ACE? Answer: 10.120.160.0 to 10.120.167.255 What two functions describe uses of an access control list? (Choose two.) Answer: ACLs provide a basic level of security for network access. ACLs can control which areas a host can access on a network Which two statements describe the effect of the access control list wildcard mask 0.0.0.15? (C...

HDLC Answer: Fill in the blank. The default encapsulation for WAN interfaces is ________ on Cisco routers. Multilink Answer: Which PPP option enables load balancing on PPP-enabled interfaces that connect to a single destination? authentication Answer: Which additional functionality is available on an interface when the encapsulation is changed from HDLC to PPP? 1. Flag: a single byte that designates the beginning or end of a PPP frame 2. Address: a byte filled ...

- during normal work hours of an organization When should a network performance baseline be measured - during normal work hours of an organization - immediately after the main network devices restarted - after normal work hours to reduce possible interruptions - when a denial of service attack to the network is detected and blocked - It creates a point of reference for future network evaluations. What is a purpose of establishing a network baseline - It provides a statistical average...

What OSI physical layer term describes the measure of the transfer of bits across a medium over a given period of time? Answer: Throughput What is the auto-MDIX feature? Answer: It enables a device to automatically configure an interface to use a straight-through or a crossover cable. Which is a multicast MAC address? FF-FF-FF-FF-FF-FF 5C-26-0A-4B-19-3E 01-00-5E-00-00-03 00-26-0F-4B-00-3E Answer: 01-00-5E-00-00-03. Multicast MAC addresses begin with the special ...

This is sometimes called a little or local connector. It is quickly growing in popularity due to its smaller size. It is used with single-mode fiber and also supports multimode fiber. Lucent Connector (LC) "C for Click" This is an older bayonet style fiber connector widely used with multimode fiber. Straight-Tip (ST) "T for Twist" This is sometimes referred to as square connector or standard connector. It is a widely adopted LAN and WAN connector that uses a push-pull mechanism to ...

OC1 Answer: 51.84 Mbps STP Default Priority Answer: 32768 STP Selection *Lowest BID *Lowest Cost *Lowest Senders Port # Answer: STP Selection *Lowest BID *Lowest Cost *Lowest Senders Port # Port states : *Blocking : A port that would cause a switching loop if it were active. To prevent the use of looped paths, no user data is sent or received over a blocking port. BPDU data is still received in blocking state. A blocked port may go into forwarding mode if...

A WAN interconnects LANs over long distances. Which statement best describes a WAN? privacy and security Connecting offices at different locations using the Internet can be economical for a business. What are two important business policy issues that should be addressed when using the Internet for this purpose? higher latency What is a disadvantage of a packet-switched network compared to a circuit-switched network? leased line and Ethernet WAN A company is considering updating the campus...

when a regular telephone line is used When is a dial-up connection used to connect to an ISP? when a cellular telephone provides the service when a high-speed connection is provided over a cable TV network when a satellite dish is used when a regular telephone line is used to identify where a packet was lost or delayed on a network Why would a network administrator use the tracert utility? to determine the active TCP connections on a PC to check information about a DNS name in the...