Ccna4 - Study guides, Class notes & Summaries

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...

- 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...

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 ...

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...

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: ...

CCNA4 Computer Exam 2023 Which two statements about DSL are true? (Choose two) -users are on a shared medium -users RF signal transmission -local loop can be up to 3.5 miles (5.5km) -physical and data link layers are defined by DOCSIS -user connections are aggregated at a DSLAM located at the CO - Answer--local loop can be up to 3.5 miles (5.5km) -user connections are aggregated at a DSLAM located at the CO Which two statements are true regarding a PPP connection between two Cisco rout...

CCNA4 Computer Exam 2023 Which two statements about DSL are true? (Choose two) -users are on a shared medium -users RF signal transmission -local loop can be up to 3.5 miles (5.5km) -physical and data link layers are defined by DOCSIS -user connections are aggregated at a DSLAM located at the CO - Answer--local loop can be up to 3.5 miles (5.5km) -user connections are aggregated at a DSLAM located at the CO Which two statements are true regarding a PPP connection between two Cisco rout...

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...

Which two statements about DSL are true? (Choose two.) users are on a shared medium uses RF signal transmission local loop can be up to 3.5 miles (5.5km) physical and data link layers are defined by DOCSIS user connections are aggregated at a DSLAM located at the CO Answer: -local loop can be up to 3.5 miles (5.5km)* -user connections are aggregated at a DSLAM located at the CO* Which two statements are true regarding a PPP connection between two Cisco routers? (Choose t...

An organization has purchased a Frame Relay service from a provider. The service agreement specifies that the access rate is 512 kbps, the CIR is 384 kbps, and the Bc is 32 kbps. What will happen when the customer sends a short burst of frames above 450 kbps? The frames are marked with the DE bit set to 1 and are most likely forwarded. The frames are marked with the DE bit set to 0 and are most likely forwarded. The frames are marked with the DE bit set to 0 and are allowed to pass. ...