Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server（）。

A . Reflected electron B . Electrical radiation C . Quarterpoint electrical navigation D . Hyperbolic radio navigatio

A . They are used to summarize area routes to other areas. B . They are used in not-so-stubby areas to propagate external routes. C . They are used to notify areas of the ASBR. D . They are flooded to all areas except stub areas （external route）.

A .  They are used to summarize area routes to other areas. B .  They are used in not-so-stubby areas to propagate external routes. C .  They are used to notify areas of the ASBR. D .  They are flooded to all areas except stub areas （external route）.

A .  Configure only trusted interfaces with root guard. B .  Implement private VLANs （PVLANs） to carry only user traffic. C .  Implement private VLANs （PVLANs） to carry only DHCP traffic. D .  Configure only untrusted interfaces with root guard. E .  Configure DHCP spoofing on all ports that connect untrusted clients. F .  Configure DHCP snooping only on ports that connect trusted DHCP servers. G .  None of the other alternatives apply

A . Bouncing a straight stream of water off the overhead to create spray effect B . Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil C . Flooding a paint locker with CO and sealing the compartment D . Cooling adjacent bulkheads with water to prevent the spread of the fire by conductio

A . denial of service B . brute force C . reconnaissance D . Trojan horse&e

A .  snooping attack B .  rogue device attack C .  STP attack D .  VLAN attack E .  spoofing attack F .  MAC flooding attack

A . Compound B . Greenstick C . Closed D . Crack

A .  int B .  void C .  boolean D .  static

A . Signature-based detection B . Anomaly-based detection C . Honey pot detection D . Policy-based detectio

A . Attacker sends multiple DHCP requests flooding DHCP server B . Attacker connects rogue server initiating DHCP requests C . Attacker connects rogue server replying to DHCP requests D . Attacker sends DHCP jam signal causing DHCP server to crash E . Attacker sends gratuitous ARP replies， thereby jamming the DHCP server F . Attacker sends unsolicited DHCP replies， thereby jamming the DHCP server

A . A power end and fluid end B . A propeller and educator C . A volute and impeller D . A turbine and pisto

A .  Man-in-themiddle attack B .  Spoof attack C .  Land.C attack D .  Buffer Overflow E .  Day zero attack F .  Trojan Horse

A．It is a deadly bombing in Germany last night and is considered by the government as a right-wing terrorist attack． B．Eleven people were found dead at two hookah bars outside Frankfurt． C．The suspect escaped after the attack and the police has not found him yet． D．According to media reports, the victims in the bars were from Germany’s Turkish and Kurdish communities．

A．The victims were all foreign tourists. B．A French citizen was among the dead. C．At least 2 people were killed and 19 others injured. D．The bomber might be one of the dead.

A．Tutorial B．Lecture C．Seminar D．Field trip

A．Ultimate target B．Intermediate target C．Label D．Dependency file

A．inventory B．cash C．land D．investments

A．Hijacking attack B．Virus attack C．Dictionary attack D．Man-in-the-middle attack