SYN - 2025 ACF Winter - Buzzpoints App

Question

This type of message names a “flood” that forces the server to maintain half-open connections. For 10 points each:

[10h] Name this type of message that the client sends in the first step of the TCP protocol’s three-way handshake.

ANSWER: SYN (“sin”) [or synchronize]

[10e] SYN flooding is a type of this cyberattack in which requests from legitimate users cannot access a server due to it being inundated with irrelevant requests. The “distributed” type of this cyberattack involves traffic from different sources attacking a single target.

ANSWER: denial-of-service attack [or DoS attack; accept distributed denial-of-service attack or DDoS attack]

[10m] This protocol, an alternative to the TCP protocol on IP networks, does not involve a handshake or set up a connection prior to communication. This protocol is typically used in applications where packet loss is not fatal, such as streaming media.

ANSWER: UDP [or user datagram protocol]

<Editors, Other Science>

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Summary


California	Main	Y	5	18.00	100%	60%	20%
Canada	Main	Y	1	30.00	100%	100%	100%
Florida	Main	Y	12	14.17	100%	33%	8%
Great Lakes	Main	Y	6	15.00	100%	33%	17%
Lower Mid-Atlantic	Main	Y	7	11.43	100%	14%	0%
Midwest	Main	Y	8	8.75	88%	0%	0%
North	Main	Y	11	15.45	91%	46%	18%
Northeast	Main	Y	5	10.00	100%	0%	0%
Overflow	Main	Y	4	12.50	100%	25%	0%
South Central	Main	Y	5	14.00	100%	40%	0%
Southeast	Main	Y	12	12.50	92%	33%	0%
UK	Main	Y	4	15.00	100%	50%	0%
Upper Mid-Atlantic	Main	Y	8	11.25	75%	25%	13%
Upstate NY	Main	Y	8	11.25	88%	25%	0%
2025 ACF Nationals	2025-08-09	Y	13	13.08	92%	31%	8%
2024 ARCADIA at UC Berkeley	04/19/2025	Y	4	10.00	75%	25%	0%

Data


Stanford C	Berkeley C	0	10	10	20
Berkeley A	Berkeley E	0	10	10	20
Berkeley F	Berkeley D	0	10	0	10
Berkeley B	Stanford B	0	10	0	10
Stanford A	UCSC	10	10	10	30
Claremont Scripps	UCSD Vices and Virtues	10	10	10	30
Waterloo	Toronto A	0	10	10	20
Guelph A	Toronto F	0	10	0	10
Toronto D	Toronto G	0	10	10	20
Toronto E	Toronto H	0	10	0	10
McMaster B	Toronto I	0	10	10	20
Toronto J	McGill A	10	10	10	30
Carleton	Toronto Metropolitan	0	10	0	10
Ottawa	Guelph B	0	10	0	10
Queen's B	McGill B	0	10	0	10
McGill C	McMaster C	0	10	0	10
Toronto B	McMaster A	0	10	0	10
Toronto K	Queen's A	0	10	0	10
FIU	UCF B	0	10	0	10
UF B	UF A	0	10	10	20
ERAU A	UF D	0	10	0	10
UCF A	UF E	0	10	0	10
CWRU A	Pitt B	0	10	10	20
CWRU B	Kenyon B	0	10	0	10
OSU C	CWRU C	0	10	0	10
Pitt C	MSU A	0	10	0	10
Pitt A	MSU B	0	10	0	10
OSU A	Kenyon A	0	10	0	10
OSU B	OSU D	0	10	0	10
USF	FSU	0	10	0	10
Clemson B	North Carolina A	0	10	0	10
Liberty A	North Carolina C	0	0	0	0
NC State	Liberty B	0	10	0	10
North Carolina B	Virginia B	0	10	0	10
Clemson A	Roanoke	0	10	0	10
Tennessee B	James Madison	0	10	0	10
Tennessee A	Tusculum	0	10	0	10
Virginia A	South Carolina B	0	10	0	10
Melbourne A	Melbourne B	10	10	10	30
Georgetown B	UMBC A	0	0	0	0
George Mason A	George Washington A	0	10	0	10
George Washington B	Penn B	0	10	0	10
Johns Hopkins C	Johns Hopkins B	10	10	10	30
Maryland A	NYU A	0	10	10	20
Maryland B	George Mason C	10	10	10	30
George Mason B	Maryland C	0	10	0	10
Catholic University	NYU B	0	10	0	10
Notre Dame E	Maryland D	0	10	0	10
VCU A	Penn A	0	10	10	20
Vassar A	Columbia B	0	10	0	10
Rutgers B	Lehigh B	0	10	0	10
Rowan A	Columbia C	0	10	0	10
Rutgers C	Lehigh A	0	10	0	10
Swarthmore A	Princeton A	0	10	0	10
Johns Hopkins A	Georgetown A	0	10	10	20
Missouri A	WashU D	0	10	0	10
WashU A	Truman State	0	10	10	20
Missouri B	WashU B	0	10	0	10
WashU C	William Woods	0	10	0	10
Macalester B	Minnesota C	0	10	0	10
Minnesota A	Iowa State	0	10	10	20
Carleton	Minnesota B	0	10	10	20
Nebraska	Macalester A	0	10	0	10
St. Thomas	Wisconsin	0	10	0	10
Tufts B	BC B	0	10	10	20
Brandeis Orlando	Amherst B	0	10	0	10
Bowdoin B	BC A	0	0	0	0
Cornell-UG	Brandeis Clemenceau	0	10	10	20
Brandeis Wilson	Bowdoin A	0	10	0	10
Brown C	Dartmouth	0	10	10	20
Harvard	Amherst A	0	10	0	10
Brown A	MIT A	0	10	0	10
Brown B	Tufts A	0	10	0	10
Williams	MIT B	0	10	0	10
Brandeis Lloyd George	Yale B	0	10	0	10
Yale A	BU	0	10	10	20
Washington B	British Columbia D	0	10	10	20
Alberta	British Columbia A	0	10	0	10
British Columbia B	British Columbia C	0	10	10	20
Simon Fraser	Washington A	0	10	0	10
Arizona State B	Iowa	0	10	0	10
Ohio	Northwestern B	0	10	0	10
Rose State	Northwestern A	0	0	0	0
Texas A	UTD B	10	10	10	30
Texas B	UTD A	0	10	0	10
UCO	McGill D	0	10	0	10
Northwestern C	Alberta B	0	0	0	0
Arizona State A	Tulsa	0	10	10	20
Alabama A	Auburn B	0	10	0	10
Auburn A	Alabama B	0	10	0	10
Georgia Tech C	Sewanee A	0	10	0	10
Bruin A	Georgia Tech D	0	0	0	0
Mississippi State A	Huntsville A	0	10	0	10
Georgia Tech A	Huntsville B	0	10	10	20
Vanderbilt B	UAB A	0	10	10	20
Vanderbilt A	Georgia Tech B	0	10	0	10
Birmingham A	LSE A	0	10	0	10
Cambridge D	Bristol B	10	10	10	30
Cambridge A	Bristol A	0	10	10	20
Oxford A	Cambridge C	0	10	0	10
LSE B	Durham B	0	10	0	10
Southampton A	Edinburgh A	0	10	10	20
Sheffield A	Imperial A	0	10	0	10
City St George's A	Imperial C	0	0	0	0
Warwick A	Manchester A	0	10	0	10
Edinburgh B	Oxford B	0	10	0	10
Sheffield B	Durham A	0	10	10	20
Lancaster A	Southampton B	0	10	0	10
Warwick B	Cambridge B	0	10	0	10
Syracuse	Rochester	0	0	0	0
Binghamton A	Cornell-DII	0	10	0	10
ESF	Binghamton B	0	10	0	10
RIT B	RIT A	0	10	10	20