Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server（）。A、denial of serviceB、brute forceC、reconnaissanceD、Trojan horse
Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server（）。
- A、denial of service
- B、brute force
- C、reconnaissance
- D、Trojan horse
相关考题：
A system administrator detects thousands of open idle connections from the same source.Which problem can arise from this type of attack?() A. It enables an attacker to perform an IP sweep of devices.B. It enables a hacker to know which operating system the system is running.C. It can overflow the session table to its limit, which can result in rejection of legitimate traffic.D. It creates a ping of death and can cause the entire network to be infected with a virus.
Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?() A. The router receiving the route translates the Type 7 LSA into a Type 5 LSA.B. The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.C. The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.D. All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.
Which two LSA types can be used to aggregate inter－area routes?() A. Type 2B. Type 3C. Type 4D. Type 5E. Type 9
Which of the following security threats involves making phone calls?() A.PhishingB.VishingC.DDoSD.Xmas attack
Which type of attack is characterized by flood of packet that requesing a TCP connection to a server?() A.denial of serviceB.brute forceC.reconnaissanceD.Trojan horse
Which OSPF LSA is used to support MPLS traffic engineering？（）A、opaque LSA （Type 8）B、opaque LSA （Type 9）C、link LSA （Type 1）D、network LSA （Type 2）E、opaque LSA （Type 10）
In a VoIP network， which type of interface would an analog fax machine connect to？（）A、 Type 1B、 Type 2C、 FXSD、 FXOE、 EM
which one of the following statements would lee include in an agent to limit the documents processed by the agent to those for which the value of the type field is "action"? （）A、FIELD Type :="action" B、SELECT Type ="action" C、SELECT Type :="action " D、@if (type="action";@success;@failure)
Which OSPF area type allows for the flooding of a Type 7 LSA?（）A、stubB、transitC、borderD、not-so-stubby
Which two LSA types can be used to aggregate inter-area routes?（）A、Type 2B、Type 3C、Type 4D、Type 5E、Type 9
Which three LSA types can be flooded within an OSPF stub area？（）A、Type 1B、Type 2C、Type 3D、Type 5E、Type 7
Routes redistributed into an OSPF ASBR are which LSA type？（）A、LSA type 1B、LSA type 2C、LSA type 3D、LSA type 4E、LSA type 5F、LSA type 6
Which of the following security threats involves making phone calls?（）A、PhishingB、VishingC、DDoSD、Xmas attack
问答题Many have come to believe that Type A's are at a much higher risk of suffering heart attack or dying of heart disease than others.
单选题Which OSPF LSA is used to support MPLS traffic engineering？（）Aopaque LSA （Type 8）Bopaque LSA （Type 9）Clink LSA （Type 1）Dnetwork LSA （Type 2）Eopaque LSA （Type 10）
单选题An attacker sends a low rate of TCP SYN segments to hosts， hoping that at least one port replies. Which type of an attack does this scenario describe？（）ADoSBSYN floodCport scanningDIP address sweep
单选题The show ip ospf database external command displays information about which OSPF LSA type？（）ALSA type 1BLSA type 2CLSA type 7DLSA type 3ELSA type 9FLSA type 5
单选题A system administrator detects thousands of open idle connections from the same source.Which problem can arise from this type of attack?（）AIt enables an attacker to perform an IP sweep of devices.BIt enables a hacker to know which operating system the system is running.CIt can overflow the session table to its limit, which can result in rejection of legitimate traffic.DIt creates a ping of death and can cause the entire network to be infected with a virus.
单选题How would you characterize the source and type in a denial of service attack on a router？（）ABy perfornubg a show ip interface to see the type and source of the attack based upon the access-listmatchesBBy performing a show interface to see the transmitted load txload and receive load rxload ；if the interface utilization is not maxed out ，there is no attack underwayCBy setting up an access-list to permit all ICMP，TCP，and UDP traffic with the log or log-input commands，then use the show access-list and show log commands to determine the type and sourceof attackDBy applying an access-list to all incoming and outgoing interfaces，turning off route-cache on all interfaces，then，when telnetting into the router perform a debug IP packet detail
单选题Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）AThe router receiving the route translates the Type 7 LSA into a Type 5 LSA.BThe ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.CThe ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.DAll ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.
单选题Which LSA is used in JUNOS software when a OSPF router restarts？（）ALSA Type 6BLSA Type 9CLSA Type 10DLSA Type 11
单选题which one of the following statements would lee include in an agent to limit the documents processed by the agent to those for which the value of the type field is "action"? （）AFIELD Type :=action BSELECT Type =action CSELECT Type :=action D@if (type=action;@success;@failure)
单选题Where do you configure SCREEN options？（）Azones on which an attack might arriveBzones you want to protect from attackCinterfaces on which an attack might arriveDinterfaces you want to protect from attack
单选题Routes redistributed into an OSPF ASBR are which LSA type？（）ALSA type 1BLSA type 2CLSA type 3DLSA type 4ELSA type 5FLSA type 6